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20 Effective Math Strategies To Approach Problem-Solving
Katie Keeton
Math strategies for problem-solving help students use a range of approaches to solve many different types of problems. It involves identifying the problem and carrying out a plan of action to find the answer to mathematical problems.
Problem-solving skills are essential to math in the general classroom and real-life. They require logical reasoning and critical thinking skills. Students must be equipped with strategies to help them find solutions to problems.
This article explores mathematical problem solving strategies, logical reasoning and critical thinking skills to help learners with solving math word problems independently in real-life situations.
What are problem-solving strategies?
Problem-solving strategies in math are methods students can use to figure out solutions to math problems. Some problem-solving strategies:
- Draw a model
- Use different approaches
- Check the inverse to make sure the answer is correct
Students need to have a toolkit of math problem-solving strategies at their disposal to provide different ways to approach math problems. This makes it easier to find solutions and understand math better.
Strategies can help guide students to the solution when it is difficult ot know when to start.
The ultimate guide to problem solving techniques
Download these ready-to-go problem solving techniques that every student should know. Includes printable tasks for students including challenges, short explanations for teachers with questioning prompts.
20 Math Strategies For Problem-Solving
Different problem-solving math strategies are required for different parts of the problem. It is unlikely that students will use the same strategy to understand and solve the problem.
Here are 20 strategies to help students develop their problem-solving skills.
Strategies to understand the problem
Strategies that help students understand the problem before solving it helps ensure they understand:
- The context
- What the key information is
- How to form a plan to solve it
Following these steps leads students to the correct solution and makes the math word problem easier .
Here are five strategies to help students understand the content of the problem and identify key information.
1. Read the problem aloud
Read a word problem aloud to help understand it. Hearing the words engages auditory processing. This can make it easier to process and comprehend the context of the situation.
2. Highlight keywords
When keywords are highlighted in a word problem, it helps the student focus on the essential information needed to solve it. Some important keywords help determine which operation is needed. For example, if the word problem asks how many are left, the problem likely requires subtraction. Ensure students highlight the keywords carefully and do not highlight every number or keyword. There is likely irrelevant information in the word problem.
3. Summarize the information
Read the problem aloud, highlight the key information and then summarize the information. Students can do this in their heads or write down a quick summary. Summaries should include only the important information and be in simple terms that help contextualize the problem.
4. Determine the unknown
A common problem that students have when solving a word problem is misunderstanding what they are solving. Determine what the unknown information is before finding the answer. Often, a word problem contains a question where you can find the unknown information you need to solve. For example, in the question ‘How many apples are left?’ students need to find the number of apples left over.
5. Make a plan
Once students understand the context of the word problem, have dentified the important information and determined the unknown, they can make a plan to solve it. The plan will depend on the type of problem. Some problems involve more than one step to solve them as some require more than one answer. Encourage students to make a list of each step they need to take to solve the problem before getting started.
Strategies for solving the problem
1. draw a model or diagram.
Students may find it useful to draw a model, picture, diagram, or other visual aid to help with the problem solving process. It can help to visualize the problem to understand the relationships between the numbers in the problem. In turn, this helps students see the solution.
Similarly, you could draw a model to represent the objects in the problem:
2. Act it out
This particular strategy is applicable at any grade level but is especially helpful in math investigation in elementary school . It involves a physical demonstration or students acting out the problem using movements, concrete resources and math manipulatives . When students act out a problem, they can visualize and contectualize the word problem in another way and secure an understanding of the math concepts. The examples below show how 1st-grade students could “act out” an addition and subtraction problem:
The problem | How to act out the problem |
Gia has 6 apples. Jordan has 3 apples. How many apples do they have altogether? | Two students use counters to represent the apples. One student has 6 counters and the other student takes 3. Then, they can combine their “apples” and count the total. |
Michael has 7 pencils. He gives 2 pencils to Sarah. How many pencils does Michael have now? | One student (“Michael”) holds 7 pencils, the other (“Sarah”) holds 2 pencils. The student playing Michael gives 2 pencils to the student playing Sarah. Then the students count how many pencils Michael is left holding. |
3. Work backwards
Working backwards is a popular problem-solving strategy. It involves starting with a possible solution and deciding what steps to take to arrive at that solution. This strategy can be particularly helpful when students solve math word problems involving multiple steps. They can start at the end and think carefully about each step taken as opposed to jumping to the end of the problem and missing steps in between.
For example,
To solve this problem working backwards, start with the final condition, which is Sam’s grandmother’s age (71) and work backwards to find Sam’s age. Subtract 20 from the grandmother’s age, which is 71. Then, divide the result by 3 to get Sam’s age. 71 – 20 = 51 51 ÷ 3 = 17 Sam is 17 years old.
4. Write a number sentence
When faced with a word problem, encourage students to write a number sentence based on the information. This helps translate the information in the word problem into a math equation or expression, which is more easily solved. It is important to fully understand the context of the word problem and what students need to solve before writing an equation to represent it.
5. Use a formula
Specific formulas help solve many math problems. For example, if a problem asks students to find the area of a rug, they would use the area formula (area = length × width) to solve. Make sure students know the important mathematical formulas they will need in tests and real-life. It can help to display these around the classroom or, for those who need more support, on students’ desks.
Strategies for checking the solution
Once the problem is solved using an appropriate strategy, it is equally important to check the solution to ensure it is correct and makes sense.
There are many strategies to check the solution. The strategy for a specific problem is dependent on the problem type and math content involved.
Here are five strategies to help students check their solutions.
1. Use the Inverse Operation
For simpler problems, a quick and easy problem solving strategy is to use the inverse operation. For example, if the operation to solve a word problem is 56 ÷ 8 = 7 students can check the answer is correct by multiplying 8 × 7. As good practice, encourage students to use the inverse operation routinely to check their work.
2. Estimate to check for reasonableness
Once students reach an answer, they can use estimation or rounding to see if the answer is reasonable. Round each number in the equation to a number that’s close and easy to work with, usually a multiple of ten. For example, if the question was 216 ÷ 18 and the quotient was 12, students might round 216 to 200 and round 18 to 20. Then use mental math to solve 200 ÷ 20, which is 10. When the estimate is clear the two numbers are close. This means your answer is reasonable.
3. Plug-In Method
This method is particularly useful for algebraic equations. Specifically when working with variables. To use the plug-in method, students solve the problem as asked and arrive at an answer. They can then plug the answer into the original equation to see if it works. If it does, the answer is correct.
If students use the equation 20m+80=300 to solve this problem and find that m = 11, they can plug that value back into the equation to see if it is correct. 20m + 80 = 300 20 (11) + 80 = 300 220 + 80 = 300 300 = 300 ✓
4. Peer Review
Peer review is a great tool to use at any grade level as it promotes critical thinking and collaboration between students. The reviewers can look at the problem from a different view as they check to see if the problem was solved correctly. Problem solvers receive immediate feedback and the opportunity to discuss their thinking with their peers. This strategy is effective with mixed-ability partners or similar-ability partners. In mixed-ability groups, the partner with stronger skills provides guidance and support to the partner with weaker skills, while reinforcing their own understanding of the content and communication skills. If partners have comparable ability levels and problem-solving skills, they may find that they approach problems differently or have unique insights to offer each other about the problem-solving process.
5. Use a Calculator
A calculator can be introduced at any grade level but may be best for older students who already have a foundational understanding of basic math operations. Provide students with a calculator to allow them to check their solutions independently, accurately, and quickly. Since calculators are so readily available on smartphones and tablets, they allow students to develop practical skills that apply to real-world situations.
Step-by-step problem-solving processes for your classroom
In his book, How to Solve It , published in 1945, mathematician George Polya introduced a 4-step process to solve problems.
Polya’s 4 steps include:
- Understand the problem
- Devise a plan
- Carry out the plan
Today, in the style of George Polya, many problem-solving strategies use various acronyms and steps to help students recall.
Many teachers create posters and anchor charts of their chosen process to display in their classrooms. They can be implemented in any elementary, middle school or high school classroom.
Here are 5 problem-solving strategies to introduce to students and use in the classroom.
How Third Space Learning improves problem-solving
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Throughout each lesson, tutors ask higher-level thinking questions to promote critical thinking and ensure students are developing a deep understanding of the content and problem-solving skills.
Problem-solving
Educators can use many different strategies to teach problem-solving and help students develop and carry out a plan when solving math problems. Incorporate these math strategies into any math program and use them with a variety of math concepts, from whole numbers and fractions to algebra.
Teaching students how to choose and implement problem-solving strategies helps them develop mathematical reasoning skills and critical thinking they can apply to real-life problem-solving.
READ MORE : 8 Common Core math examples
There are many different strategies for problem-solving; Here are 5 problem-solving strategies: • draw a model • act it out • work backwards • write a number sentence • use a formula
Here are 10 strategies of problem-solving: • Read the problem aloud • Highlight keywords • Summarize the information • Determine the unknown • Make a plan • Draw a model • Act it out • Work backwards • Write a number sentence • Use a formula
1. Understand the problem 2. Devise a plan 3. Carry out the plan 4. Look back
Some strategies you can use to solve challenging math problems are: breaking the problem into smaller parts, using diagrams or models, applying logical reasoning, and trying different approaches.
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Unit 2: Solving equations & inequalities
About this unit.
There are lots of strategies we can use to solve equations. Let's explore some different ways to solve equations and inequalities. We'll also see what it takes for an equation to have no solution, or infinite solutions.
Linear equations with variables on both sides
- Why we do the same thing to both sides: Variable on both sides (Opens a modal)
- Intro to equations with variables on both sides (Opens a modal)
- Equations with variables on both sides: 20-7x=6x-6 (Opens a modal)
- Equation with variables on both sides: fractions (Opens a modal)
- Equation with the variable in the denominator (Opens a modal)
- Equations with variables on both sides Get 3 of 4 questions to level up!
- Equations with variables on both sides: decimals & fractions Get 3 of 4 questions to level up!
Linear equations with parentheses
- Equations with parentheses (Opens a modal)
- Reasoning with linear equations (Opens a modal)
- Multi-step equations review (Opens a modal)
- Equations with parentheses Get 3 of 4 questions to level up!
- Equations with parentheses: decimals & fractions Get 3 of 4 questions to level up!
- Reasoning with linear equations Get 3 of 4 questions to level up!
Analyzing the number of solutions to linear equations
- Number of solutions to equations (Opens a modal)
- Worked example: number of solutions to equations (Opens a modal)
- Creating an equation with no solutions (Opens a modal)
- Creating an equation with infinitely many solutions (Opens a modal)
- Number of solutions to equations Get 3 of 4 questions to level up!
- Number of solutions to equations challenge Get 3 of 4 questions to level up!
Linear equations with unknown coefficients
- Linear equations with unknown coefficients (Opens a modal)
- Why is algebra important to learn? (Opens a modal)
- Linear equations with unknown coefficients Get 3 of 4 questions to level up!
Multi-step inequalities
- Inequalities with variables on both sides (Opens a modal)
- Inequalities with variables on both sides (with parentheses) (Opens a modal)
- Multi-step inequalities (Opens a modal)
- Using inequalities to solve problems (Opens a modal)
- Multi-step linear inequalities Get 3 of 4 questions to level up!
- Using inequalities to solve problems Get 3 of 4 questions to level up!
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Math Problem Solving Strategies
In these lessons, we will learn some math problem solving strategies for example, Verbal Model (or Logical Reasoning), Algebraic Model, Block Model (or Singapore Math), Guess & Check Model and Find a Pattern Model.
Related Pages Solving Word Problems Using Block Models Heuristic Approach to Problem-Solving Algebra Lessons
Problem Solving Strategies
The strategies used in solving word problems:
- What do you know?
- What do you need to know?
- Draw a diagram/picture
Solution Strategies Label Variables Verbal Model or Logical Reasoning Algebraic Model - Translate Verbal Model to Algebraic Model Solve and Check.
Solving Word Problems
Step 1: Identify (What is being asked?) Step 2: Strategize Step 3: Write the equation(s) Step 4: Answer the question Step 5: Check
Problem Solving Strategy: Guess And Check
Using the guess and check problem solving strategy to help solve math word problems.
Example: Jamie spent $40 for an outfit. She paid for the items using $10, $5 and $1 bills. If she gave the clerk 10 bills in all, how many of each bill did she use?
Problem Solving : Make A Table And Look For A Pattern
- Identify - What is the question?
- Plan - What strategy will I use to solve the problem?
- Solve - Carry out your plan.
- Verify - Does my answer make sense?
Example: Marcus ran a lemonade stand for 5 days. On the first day, he made $5. Every day after that he made $2 more than the previous day. How much money did Marcus made in all after 5 days?
Find A Pattern Model (Intermediate)
In this lesson, we will look at some intermediate examples of Find a Pattern method of problem-solving strategy.
Example: The figure shows a series of rectangles where each rectangle is bounded by 10 dots. a) How many dots are required for 7 rectangles? b) If the figure has 73 dots, how many rectangles would there be?
Rectangles | Pattern | Total dots |
1 | 10 | 10 |
2 | 10 + 7 | 17 |
3 | 10 + 14 | 24 |
4 | 10 + 21 | 31 |
5 | 10 + 28 | 38 |
6 | 10 + 35 | 45 |
7 | 10 + 42 | 52 |
8 | 10 + 49 | 59 |
9 | 10 + 56 | 66 |
10 | 10 + 63 | 73 |
a) The number of dots required for 7 rectangles is 52.
b) If the figure has 73 dots, there would be 10 rectangles.
Example: Each triangle in the figure below has 3 dots. Study the pattern and find the number of dots for 7 layers of triangles.
Layers | Pattern | Total dots |
1 | 3 | 3 |
2 | 3 + 3 | 6 |
3 | 3 + 3 + 4 | 10 |
4 | 3 + 3 + 4 + 5 | 15 |
5 | 3 + 3 + 4 + 5 + 6 | 21 |
6 | 3 + 3 + 4 + 5 + 6 + 7 | 28 |
7 | 3 + 3 + 4 + 5 + 6 + 7 + 8 | 36 |
The number of dots for 7 layers of triangles is 36.
Example: The table below shows numbers placed into groups I, II, III, IV, V and VI. In which groups would the following numbers belong? a) 25 b) 46 c) 269
I | 1 | 7 | 13 | 19 | 25 |
II | 2 | 8 | 14 | 20 | 26 |
III | 3 | 9 | 15 | 21 | 27 |
IV | 4 | 10 | 16 | 22 | |
V | 5 | 11 | 17 | 23 | |
VI | 6 | 12 | 18 | 24 |
Solution: The pattern is: The remainder when the number is divided by 6 determines the group. a) 25 ÷ 6 = 4 remainder 1 (Group I) b) 46 ÷ 6 = 7 remainder 4 (Group IV) c) 269 ÷ 6 = 44 remainder 5 (Group V)
Example: The following figures were formed using matchsticks.
a) Based on the above series of figures, complete the table below.
Number of squares | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Number of triangles | 4 | 6 | 8 | 10 | ||||
Number of matchsticks | 12 | 19 | 26 | 33 |
b) How many triangles are there if the figure in the series has 9 squares?
c) How many matchsticks would be used in the figure in the series with 11 squares?
Number of squares | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Number of triangles | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 |
Number of matchsticks | 12 | 19 | 26 | 33 | 40 | 47 | 54 | 61 |
b) The pattern is +2 for each additional square. 18 + 2 = 20 If the figure in the series has 9 squares, there would be 20 triangles.
c) The pattern is + 7 for each additional square 61 + (3 x 7) = 82 If the figure in the series has 11 squares, there would be 82 matchsticks.
Example: Seven ex-schoolmates had a gathering. Each one of them shook hands with all others once. How many handshakes were there?
A | B | C | D | E | F | G | |
A | |||||||
B | ● | ||||||
C | ● | ● | |||||
D | ● | ● | ● | ||||
E | ● | ● | ● | ● | |||
F | ● | ● | ● | ● | ● | ||
G | ● | ● | ● | ● | ● | ● | |
HS | 6 | 5 | 4 | 3 | 2 | 1 |
Total = 6 + 5 + 4 + 3 + 2 + 1 = 21 handshakes.
The following video shows more examples of using problem solving strategies and models. Question 1: Approximate your average speed given some information Question 2: The table shows the number of seats in each of the first four rows in an auditorium. The remaining ten rows follow the same pattern. Find the number of seats in the last row. Question 3: You are hanging three pictures in the wall of your home that is 16 feet wide. The width of your pictures are 2, 3 and 4 feet. You want space between your pictures to be the same and the space to the left and right to be 6 inches more than between the pictures. How would you place the pictures?
The following are some other examples of problem solving strategies.
Explore it/Act it/Try it (EAT) Method (Basic) Explore it/Act it/Try it (EAT) Method (Intermediate) Explore it/Act it/Try it (EAT) Method (Advanced)
Finding A Pattern (Basic) Finding A Pattern (Intermediate) Finding A Pattern (Advanced)
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Problem Solving in Mathematics
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The main reason for learning about math is to become a better problem solver in all aspects of life. Many problems are multistep and require some type of systematic approach. There are a couple of things you need to do when solving problems. Ask yourself exactly what type of information is being asked for: Is it one of addition, subtraction, multiplication , or division? Then determine all the information that is being given to you in the question.
Mathematician George Pólya’s book, “ How to Solve It: A New Aspect of Mathematical Method ,” written in 1957, is a great guide to have on hand. The ideas below, which provide you with general steps or strategies to solve math problems, are similar to those expressed in Pólya’s book and should help you untangle even the most complicated math problem.
Use Established Procedures
Learning how to solve problems in mathematics is knowing what to look for. Math problems often require established procedures and knowing what procedure to apply. To create procedures, you have to be familiar with the problem situation and be able to collect the appropriate information, identify a strategy or strategies, and use the strategy appropriately.
Problem-solving requires practice. When deciding on methods or procedures to use to solve problems, the first thing you will do is look for clues, which is one of the most important skills in solving problems in mathematics. If you begin to solve problems by looking for clue words, you will find that these words often indicate an operation.
Look for Clue Words
Think of yourself as a math detective. The first thing to do when you encounter a math problem is to look for clue words. This is one of the most important skills you can develop. If you begin to solve problems by looking for clue words, you will find that those words often indicate an operation.
Common clue words for addition problems:
Common clue words for subtraction problems:
- How much more
Common clue words for multiplication problems:
Common clue words for division problems:
Although clue words will vary a bit from problem to problem, you'll soon learn to recognize which words mean what in order to perform the correct operation.
Read the Problem Carefully
This, of course, means looking for clue words as outlined in the previous section. Once you’ve identified your clue words, highlight or underline them. This will let you know what kind of problem you’re dealing with. Then do the following:
- Ask yourself if you've seen a problem similar to this one. If so, what is similar about it?
- What did you need to do in that instance?
- What facts are you given about this problem?
- What facts do you still need to find out about this problem?
Develop a Plan and Review Your Work
Based on what you discovered by reading the problem carefully and identifying similar problems you’ve encountered before, you can then:
- Define your problem-solving strategy or strategies. This might mean identifying patterns, using known formulas, using sketches, and even guessing and checking.
- If your strategy doesn't work, it may lead you to an ah-ha moment and to a strategy that does work.
If it seems like you’ve solved the problem, ask yourself the following:
- Does your solution seem probable?
- Does it answer the initial question?
- Did you answer using the language in the question?
- Did you answer using the same units?
If you feel confident that the answer is “yes” to all questions, consider your problem solved.
Tips and Hints
Some key questions to consider as you approach the problem may be:
- What are the keywords in the problem?
- Do I need a data visual, such as a diagram, list, table, chart, or graph?
- Is there a formula or equation that I'll need? If so, which one?
- Will I need to use a calculator? Is there a pattern I can use or follow?
Read the problem carefully, and decide on a method to solve the problem. Once you've finished working the problem, check your work and ensure that your answer makes sense and that you've used the same terms and or units in your answer.
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- Finding the Volume of a Sphere
- Finding the Surface Area of a Box
- Finding the Surface Area of a Cylinder
- Finding the Surface Area of a Cone
- Finding the Surface Area of a Pyramid
- Converting to a Fraction
- Simple Exponents
- Prime Factorizations
- Finding the Factors
- Simplifying Fractions
- Converting Grams to Kilograms
- Converting Grams to Pounds
- Converting Grams to Ounces
- Converting Feet to Inches
- Converting to Meters
- Converting Feet to Miles
- Converting Feet to Yards
- Converting to Feet
- Converting to Yards
- Converting Miles to Feet
- Converting Miles to Kilometers
- Converting Miles to Yards
- Converting Kilometers to Miles
- Converting Kilometers to Meters
- Converting Meters to Feet
- Converting Meters to Inches
- Converting Ounces to Grams
- Converting Ounces to Pounds
- Converting Ounces to Tons
- Converting Pounds to Grams
- Converting Pounds to Ounces
- Converting Pounds to Tons
- Converting Yards to Feet
- Converting Yards to Millimeters
- Converting Yards to Inches
- Converting Yards to Miles
- Converting Yards to Meters
- Converting Fahrenheit to Celsius
- Converting Celsius to Fahrenheit
- Finding the Median
- Finding the Mean (Arithmetic)
- Finding the Mode
- Finding the Minimum
- Finding the Maximum
- Finding the Lower or First Quartile
- Finding the Upper or Third Quartile
- Finding the Five Number Summary
- Finding a Point's Quadrant
- Finding the Midpoint of a Line Segment
- Distance Formula
- Arithmetic Operations
- Combining Like Terms
- Determining if the Expression is a Polynomial
- Distributive Property
- Simplifying
- Multiplication
- Polynomial Addition
- Polynomial Subtraction
- Polynomial Multiplication
- Polynomial Division
- Simplifying Expressions
- Evaluate the Expression Using the Given Values
- Multiplying Polynomials Using FOIL
- Identifying Degree
- Operations on Polynomials
- Negative Exponents
- Evaluating Radicals
- Solving by Adding/Subtracting
- Solving by Multiplying/Dividing
- Solving Containing Decimals
- Solving for a Variable
- Solving Linear Equations
- Solving Linear Inequalities
- Finding the Quadratic Constant of Variation
- Converting the Percent Grade to Slope
- Converting the Slope to Percent Grade
- Finding Equations Using Slope-Intercept
- Finding the Slope
- Finding the y Intercept
- Calculating Slope and y-Intercept
- Rewriting in Slope-Intercept Form
- Finding Equations Using the Slope-Intercept Formula
- Finding Equations Using Two Points
- Finding a Perpendicular Line Containing a Given Point
- Finding a Parallel Line Containing a Given Point
- Finding a Parallel Line to the Given Line
- Finding a Perpendicular Line to the Given Line
- Finding Ordered Pair Solutions
- Using a Table of Values to Graph an Equation
- Finding the Equation Using Point-Slope Form
- Finding the Surface Area of a Sphere
- Solving by Graphing
- Finding the LCM of a List of Expressions
- Finding the LCD of a List of Expressions
- Determining if the Number is a Perfect Square
- Finding the Domain
- Evaluating the Difference Quotient
- Solving Using the Square Root Property
- Determining if True
- Finding the Holes in a Graph
- Finding the Common Factors
- Expand a Trinomial with the Trinomial Theorem
- Finding the Start Point Given the Mid and End Points
- Finding the End Point Given the Start and Mid Points
- Finding the Slope and y-Intercept
- Finding the Equation of the Parabola
- Finding the Average Rate of Change
- Finding the Slope of the Perpendicular Line to the Line Through the Two Points
- Rewriting Using Negative Exponents
- Synthetic Division
- Maximum Number of Real Roots/Zeros
- Finding All Possible Roots/Zeros (RRT)
- Finding All Roots with Rational Root Test (RRT)
- Finding the Remainder
- Finding the Remainder Using Long Polynomial Division
- Reordering the Polynomial in Ascending Order
- Reordering the Polynomial in Descending Order
- Finding the Leading Term
- Finding the Leading Coefficient
- Finding the Degree, Leading Term, and Leading Coefficient
- Finding the GCF of a Polynomial
- Factoring Out Greatest Common Factor (GCF)
- Identifying the Common Factors
- Cancelling the Common Factors
- Finding the LCM using GCF
- Finding the GCF
- Factoring Trinomials
- Trinomial Squares
- Factoring Using Any Method
- Factoring a Difference of Squares
- Factoring a Sum of Cubes
- Factoring by Grouping
- Factoring a Difference of Cubes
- Determine if an Expression is a Factor
- Determining if Factor Using Synthetic Division
- Find the Factors Using the Factor Theorem
- Determining if Polynomial is Prime
- Determining if the Polynomial is a Perfect Square
- Expand using the Binomial Theorem
- Factoring over the Complex Numbers
- Finding All Integers k Such That the Trinomial Can Be Factored
- Determining if Linear
- Rewriting in Standard Form
- Finding x and y Intercepts
- Finding Equations Using the Point Slope Formula
- Finding Equations Given Point and y-Intercept
- Finding the Constant Using Slope
- Finding the Slope of a Parallel Line
- Finding the Slope of a Perpendicular Line
- Simplifying Absolute Value Expressions
- Solving with Absolute Values
- Finding the Vertex for the Absolute Value
- Rewriting the Absolute Value as Piecewise
- Calculating the Square Root
- Simplifying Radical Expressions
- Rationalizing Radical Expressions
- Solving Radical Equations
- Rewriting with Rational (Fractional) Exponents
- Finding the Square Root End Point
- Operations on Rational Expressions
- Determining if the Point is a Solution
- Solving over the Interval
- Finding the Range
- Finding the Domain and Range
- Solving Rational Equations
- Adding Rational Expressions
- Subtracting Rational Expressions
- Multiplying Rational Expressions
- Finding the Equation Given the Roots
- Finding the Asymptotes
- Finding the Constant of Variation
- Finding the Equation of Variation
- Substitution Method
- Addition/Elimination Method
- Graphing Method
- Determining Parallel Lines
- Determining Perpendicular Lines
- Dependent, Independent, and Inconsistent Systems
- Finding the Intersection (and)
- Using the Simplex Method for Constraint Maximization
- Using the Simplex Method for Constraint Minimization
- Finding the Union (or)
- Finding the Equation with Real Coefficients
- Solving in Terms of the Arbitrary Variable
- Finding a Direct Variation Equation
- Finding the Slope for Every Equation
- Finding a Variable Using the Constant of Variation
- Quadratic Formula
- Solving by Factoring
- Solve by Completing the Square
- Finding the Perfect Square Trinomial
- Finding the Quadratic Equation Given the Solution Set
- Finding a,b, and c in the Standard Form
- Finding the Discriminant
- Finding the Zeros by Completing the Square
- Quadratic Inequalities
- Rational Inequalities
- Converting from Interval to Inequality
- Converting to Interval Notation
- Rewriting as a Single Interval
- Determining if the Relation is a Function
- Finding the Domain and Range of the Relation
- Finding the Inverse of the Relation
- Finding the Inverse
- Determining if One Relation is the Inverse of Another
- Determining if Surjective (Onto)
- Determining if Bijective (One-to-One)
- Determining if Injective (One to One)
- Rewriting as an Equation
- Rewriting as y=mx+b
- Solving Function Systems
- Find the Behavior (Leading Coefficient Test)
- Determining Odd and Even Functions
- Describing the Transformation
- Finding the Symmetry
- Arithmetic of Functions
- Domain of Composite Functions
- Finding Roots Using the Factor Theorem
- Determine if Injective (One to One)
- Determine if Surjective (Onto)
- Finding the Vertex
- Finding the Sum
- Finding the Difference
- Finding the Product
- Finding the Quotient
- Finding the Domain of the Sum of the Functions
- Finding the Domain of the Difference of the Functions
- Finding the Domain of the Product of the Functions
- Finding the Domain of the Quotient of the Functions
- Finding Roots (Zeros)
- Identifying Zeros and Their Multiplicities
- Finding the Bounds of the Zeros
- Proving a Root is on the Interval
- Finding Maximum Number of Real Roots
- Function Composition
- Rewriting as a Function
- Determining if a Function is Rational
- Determining if a Function is Proper or Improper
- Maximum/Minimum of Quadratic Functions
- Finding All Complex Number Solutions
- Rationalizing with Complex Conjugates
- Vector Arithmetic
- Finding the Complex Conjugate
- Finding the Magnitude of a Complex Number
- Simplifying Logarithmic Expressions
- Expanding Logarithmic Expressions
- Evaluating Logarithms
- Rewriting in Exponential Form
- Converting to Logarithmic Form
- Exponential Expressions
- Exponential Equations
- Converting to Radical Form
- Find the Nth Root of the Given Value
- Simplifying Matrices
- Finding the Variables
- Solving the System of Equations Using an Inverse Matrix
- Finding the Dimensions
- Multiplication by a Scalar
- Subtraction
- Finding the Determinant of the Resulting Matrix
- Finding the Inverse of the Resulting Matrix
- Finding the Identity Matrix
- Finding the Scalar multiplied by the Identity Matrix
- Simplifying the Matrix Operation
- Finding the Determinant of a 2x2 Matrix
- Finding the Determinant of a 3x3 Matrix
- Finding the Determinant of Large Matrices
- Inverse of a 2x2 Matrix
- Inverse of an nxn Matrix
- Finding Reduced Row Echelon Form
- Finding the Transpose
- Finding the Adjoint
- Finding the Cofactor Matrix
- Finding the Pivot Positions and Pivot Columns
- Finding the Basis and Dimension for the Row Space of the Matrix
- Finding the Basis and Dimension for the Column Space of the Matrix
- Finding the LU Decomposition of a Matrix
- Identifying Conic Sections
- Identifying Circles
- Finding a Circle Using the Center and Another Point
- Finding a Circle by the Diameter End Points
- Finding the Parabola Equation Using the Vertex and Another Point
- Finding the Properties of the Parabola
- Finding the Vertex Form of the Parabola
- Finding the Vertex Form of an Ellipse
- Finding the Vertex Form of a Circle
- Finding the Vertex Form of a Hyperbola
- Finding the Standard Form of a Parabola
- Finding the Expanded Form of an Ellipse
- Finding the Expanded Form of a Circle
- Finding the Expanded Form of a Hyperbola
- Vector Addition
- Vector Subtraction
- Vector Multiplication by a Scalar
- Finding the Length
- Finding the Position Vector
- Determining Column Spaces
- Finding an Orthonormal Basis by Gram-Schmidt Method
- Rewrite the System as a Vector Equality
- Finding the Rank
- Finding the Nullity
- Finding the Distance
- Finding the Plane Parallel to a Line Given four 3d Points
- Finding the Intersection of the Line Perpendicular to Plane 1 Through the Origin and Plane 2
- Finding the Eigenvalues
- Finding the Characteristic Equation
- Finding the Eigenvectors/Eigenspace of a Matrix
- Proving a Transformation is Linear
- Finding the Kernel of a Transformation
- Projecting Using a Transformation
- Finding the Pre-Image
- Finding the Intersection of Sets
- Finding the Union of Number Sets
- Determining if a Set is a Subset of Another Set
- Determining if Two Sets are Mutually Exclusive
- Finding the Set Complement of Two Sets
- Finding the Power Set
- Finding the Cardinality
- Finding the Cartesian Product of Two Sets
- Determining if a Set is a Proper Subset of Another Set
- Finding the Function Rule
- Finding the Square or Rectangle Area Given Four Points
- Finding the Square or Rectangle Perimeter Given Four Points
- Finding the Square or Rectangle Area Given Three Points
- Finding the Square or Rectangle Perimeter Given Three Points
- Finding the Equation of a Circle
- Finding the Equation of a Hyperbola
- Finding the Equation of an Ellipse
- Partial Fraction Decomposition
- Finding an Angle Using another Angle
- Pythagorean Theorem
- Finding the Sine
- Finding the Cosine
- Finding the Tangent
- Finding the Trig Value
- Converting to Degrees, Minutes, and Seconds
- Finding Trig Functions Using Identities
- Finding Trig Functions Using the Right Triangle
- Converting Radians to Degrees
- Converting Degrees to Radians
- Finding a Reference Angle
- Finding a Supplement
- Finding a Complement
- Converting RPM to Radians per Second
- Finding the Quadrant of the Angle
- Graphing Sine & Cosine Functions
- Graphing Other Trigonometric Functions
- Amplitude, Period, and Phase Shift
- Finding the Other Trig Values in a Quadrant
- Finding the Exact Value
- Finding the Value Using the Unit Circle
- Expanding Trigonometric Expressions
- Expanding Using Double-Angle Formulas
- Expanding Using Triple-Angle Formulas
- Expanding Using Sum/Difference Formulas
- Simplify Using Pythagorean Identities
- Simplify by Converting to Sine/Cosine
- Inverting Trigonometric Expressions
- Finding the Trig Value of an Angle
- Expanding Using De Moivre's Theorem
- Verifying Trigonometric Identities
- Using Fundamental Identities
- Solving Standard Angle Equations
- Complex Trigonometric Equations
- Solving the Triangle
- Find the Roots of a Complex Number
- Complex Operations
- Trigonometric Form of a Complex Number
- Converting to Polar Coordinates
- Identifying and Graphing Circles
- Identifying and Graphing Limacons
- Identifying and Graphing Roses
- Identifying and Graphing Cardioids
- Difference Quotient
- Finding Upper and Lower Bounds
- Evaluating Functions
- Right Triangle Trigonometry
- Arithmetic Sequences/Progressions
- Geometric Sequences/Progressions
- Finding the Next Term of the Sequence
- Finding the nth Term Given a List of Numbers
- Finding the nth Term
- Finding the Sum of First n Terms
- Expanding Series Notation
- Finding the Sum of the Series
- Finding the Sum of the Infinite Geometric Series
- Converting to Rectangular Coordinates
- Evaluating Limits Approaching a Value
- Evaluating Limits Approaching Infinity
- Finding the Angle Between the Vectors
- Determining if the Point is on the Graph
- Finding the Antiderivative
- Checking if Continuous Over an Interval
- Determining if a Series is Divergent
- Using the Integral Test for Convergence
- Determining if an Infinite Series is Convergent Using Cauchy's Root Test
- Using the Limit Definition to Find the Tangent Line at a Given Point
- Finding the nth Derivative
- Finding the Derivative Using Product Rule
- Finding the Derivative Using Quotient Rule
- Finding the Derivative Using Chain Rule
- Use Logarithmic Differentiation to Find the Derivative
- Finding the Derivative
- Implicit Differentiation
- Using the Limit Definition to Find the Derivative
- Evaluating the Derivative
- Finding Where dy/dx is Equal to Zero
- Finding the Linearization
- Finding a Tangent Line to a Curve
- Checking if Differentiable Over an Interval
- The Mean Value Theorem
- Finding the Inflection Points
- Find Where the Function Increases/Decreases
- Finding the Critical Points of a Function
- Find Horizontal Tangent Line
- Evaluating Limits with L'Hospital Rule
- Local Maxima and Minima
- Finding the Absolute Maximum and Minimum on the Given Interval
- Finding Concavity using the Second Derivative
- Finding the Derivative using the Fundamental Theorem of Calculus
- Find the Turning Points
- Finding the Integral
- Evaluating Definite Integrals
- Evaluating Indefinite Integrals
- Substitution Rule
- Finding the Arc Length
- Finding the Average Value of the Derivative
- Finding the Average Value of the Equation
- Finding Area Between Curves
- Finding the Volume
- Finding the Average Value of the Function
- Finding the Root Mean Square
- Integration by Parts
- Trigonometric Integrals
- Trigonometric Substitution
- Integration by Partial Fractions
- Eliminating the Parameter from the Function
- Verify the Solution of a Differential Equation
- Solve for a Constant Given an Initial Condition
- Find an Exact Solution to the Differential Equation
- Verify the Existence and Uniqueness of Solutions for the Differential Equation
- Solve for a Constant in a Given Solution
- Solve the Bernoulli Differential Equation
- Solve the Linear Differential Equation
- Solve the Homogeneous Differential Equation
- Solve the Exact Differential Equation
- Approximate a Differential Equation Using Euler's Method
- Finding Elasticity of Demand
- Finding the Consumer Surplus
- Finding the Producer Surplus
- Finding the Gini Index
- Finding the Geometric Mean
- Finding the Quadratic Mean (RMS)
- Find the Mean Absolute Deviation
- Finding the Mid-Range (Mid-Extreme)
- Finding the Interquartile Range (H-Spread)
- Finding the Midhinge
- Finding the Standard Deviation
- Finding the Skew of a Data Set
- Finding the Range of a Data Set
- Finding the Variance of a Data Set
- Finding the Class Width
- Solving Combinations
- Solving Permutations
- Finding the Probability of Both Independent Events
- Finding the Probability of Both Dependent Events
- Finding the Probability for Both Mutually Exclusive Events
- Finding the Conditional Probability for Independent Events
- Determining if Given Events are Independent/Dependent Events
- Determining if Given Events are Mutually Exclusive Events
- Finding the Probability of Both not Mutually Exclusive Events
- Finding the Conditional Probability Using Bayes' Theorem
- Finding the Probability of the Complement
- Describing Distribution's Two Properties
- Finding the Expectation
- Finding the Variance
- Finding the Probability of a Binomial Distribution
- Finding the Probability of the Binomial Event
- Finding the Mean
- Finding the Relative Frequency
- Finding the Percentage Frequency
- Finding the Upper and Lower Class Limits of the Frequency Table
- Finding the Class Boundaries of the Frequency Table
- Finding the Class Width of the Frequency Table
- Finding the Midpoints of the Frequency Table
- Finding the Mean of the Frequency Table
- Finding the Variance of the Frequency Table
- Finding the Standard Deviation of the Frequency Table
- Finding the Cumulative Frequency of the Frequency Table
- Finding the Relative Frequency of the Frequency Table
- Finding the Median Class Interval of the Frequency Table
- Finding the Modal Class of the Frequency Table
- Creating a Grouped Frequency Distribution Table
- Finding the Data Range
- Finding a z-Score for a Normal Distribution
- Approximating Using Normal Distribution
- Finding the Probability of the z-Score Range
- Finding the Probability of a Range in a Nonstandard Normal Distribution
- Finding the z-Score Using the Table
- Finding the z-Score
- Testing the Claim
- Finding a t-Value for a Confidence Level
- Finding the Critical t-Value
- Setting the Alternative Hypothesis
- Setting the Null Hypothesis
- Determining if Left, Right, or Two Tailed Test Given the Null Hypothesis
- Determining if Left, Right, or Two Tailed Test Given the Alternative Hypothesis
- Finding Standard Error
- Finding the Linear Correlation Coefficient
- Determining if the Correlation is Significant
- Finding a Regression Line
- Cramer's Rule
- Solving using Matrices by Elimination
- Solving using Matrices by Row Operations
- Solving using an Augmented Matrix
- Finding the Simple Interest Received
- Finding the Present Value with Compound Interest
- Finding the Simple Interest Future Value
- Finding the Future Value with Continuous Interest
- Finding the Norm in Real Vector Space
- Finding the Direction Angle of the Vector
- Finding the Cross Product of Vectors
- Finding the Dot Product of Vectors
- Determining if Vectors are Orthogonal
- Finding the Distance Between the Vectors
- Finding a Unit Vector in the Same Direction as the Given Vector
- Finding the Angle Between Two Vectors Using the Cross Product
- Finding the Angle Between Two Vectors Using the Dot Product
- Finding the Projection of One Vector Onto another Vector
- Matrices Addition
- Matrices Subtraction
- Matrices Multiplication
- Finding the Trace
- Finding the Basis
- Matrix Dimension
- Convert to a Linear System
- Diagonalizing a Matrix
- Determining the value of k for which the system has no solutions
- Linear Independence of Real Vector Spaces
- Finding the Null Space
- Determining if the Vector is in the Span of the Set
- Finding the Number of Protons
- Finding the Number of Electrons
- Finding the Number of Neutrons
- Finding the Mass of a Single Atom
- Finding the Electron Configuration
- Finding the Atomic Mass
- Finding the Atomic Number
- Finding the Mass Percentages
- Finding Oxidation Numbers
- Balancing Chemical Equations
- Balancing Burning Reactions
- Finding the Density at STP
- Determining if the Compound is Soluble in Water
- Finding Mass
- Finding Density
- Finding Weight
- Finding Force
- Finding the Work Done
- Finding Angular Velocity
- Finding Centripetal Acceleration
- Finding Final Velocity
- Finding Average Acceleration
- Finding Displacement
- Finding Voltage Using the Ohm's Law
- Finding Electrical Power
- Finding Kinetic Energy
- Finding Power
- Finding Wavelength
- Finding Frequency
- Finding Pressure of the Gas
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Here are five strategies to help students check their solutions. 1. Use the Inverse Operation. For simpler problems, a quick and easy problem solving strategy is to use the inverse operation. For example, if the operation to solve a word problem is 56 ÷ 8 = 7 students can check the answer is correct by multiplying 8 × 7.
Unit test. Level up on all the skills in this unit and collect up to 1,100 Mastery points! There are lots of strategies we can use to solve equations. Let's explore some different ways to solve equations and inequalities. We'll also see what it takes for an equation to have no solution, or infinite solutions.
To solve math problems step-by-step start by reading the problem carefully and understand what you are being asked to find. Next, identify the relevant information, define the variables, and plan a strategy for solving the problem. en. Related Symbolab blog posts.
The very first Mathematical Practice is: Make sense of problems and persevere in solving them. Mathematically proficient students start by explaining to themselves the meaning of a problem and looking for entry points to its solution. They analyze givens, constraints, relationships, and goals. They make conjectures about the form and meaning of ...
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Thousands of math problems and questions with solutions and detailed explanations are included. Free math tutorials and problems to help you explore and gain deep understanding of math topics such as: Algebra and graphing , Precalculus , Practice tests and worksheets , Calculus , Linear Algebra , Geometry , Trigonometry , Math Videos , Math ...
The following video shows more examples of using problem solving strategies and models. Question 2: The table shows the number of seats in each of the first four rows in an auditorium. The remaining ten rows follow the same pattern. Find the number of seats in the last row. Question 3: You are hanging three pictures in the wall of your home ...
Wolfram Demonstrations. Mathematica. MathWorld. Online practice problems with answers for students and teachers. Pick a topic and start practicing, or print a worksheet for study sessions or quizzes.
Step 1: Understanding the problem. We are given in the problem that there are 25 chickens and cows. All together there are 76 feet. Chickens have 2 feet and cows have 4 feet. We are trying to determine how many cows and how many chickens Mr. Jones has on his farm. Step 2: Devise a plan.
Problem-solving requires practice. When deciding on methods or procedures to use to solve problems, the first thing you will do is look for clues, which is one of the most important skills in solving problems in mathematics. If you begin to solve problems by looking for clue words, you will find that these words often indicate an operation.
Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. ... Solving the System of Equations Using an Inverse Matrix. Finding the Dimensions. Multiplication by a Scalar. Multiplication.
Even simple math problems become easier to solve when broken down into steps. From basic additions to calculus, the process of problem solving usually takes a lot of practice before answers could come easily. As problems become more complex, it becomes even more important to understand the step-by-step process by which we solve them.
A 2014 study by the National Council of Teachers of Mathematics found that the use of multiple representations, such as visual aids, graphs, and real-world examples, supports the development of mathematical connections, reasoning, and problem-solving skills. Moreover, the importance of math learning goes beyond solving equations and formulas.
This book contributes to the field of mathematical problem solving by exploring current themes, trends and research perspectives. It does so by addressing five broad and related dimensions: problem solving heuristics, problem solving and technology, inquiry and problem posing in mathematics education, assessment of and through problem solving, and the problem solving environment.
Problem Solving Strategy 9 (Find the Math, Remove the Context). Sometimes the problem has a lot of details in it that are unimportant, or at least unimportant for getting started. The goal is to find the underlying math problem, then come back to the original question and see if you can solve it using the math.
Teaching about problem solving begins with suggested strategies to solve a problem. For example, "draw a picture," "make a table," etc. You may see posters in teachers' classrooms of the "Problem Solving Method" such as: 1) Read the problem, 2) Devise a plan, 3) Solve the problem, and 4) Check your work. There is little or no ...
The Role of Problem Solving in Teaching Mathematics as a Process. Problem solving is an important component of mathematics education because it is the single vehicle which seems to be able to achieve at school level all three of the values of mathematics listed at the outset of this article: functional, logical and aesthetic.
There are many different ways to solve a math problem, and equipping students with problem-solving strategies is just as important as teaching computation and algorithms. Problem-solving strategies help students visualize the problem or present the given information in a way that can lead them to the solution. Solving word problems using …</p>
Description. Mathematical Problem Solving provides information pertinent to the nature of mathematical thinking at any level. This book provides a framework for the analysis of complex problem-solving behavior. Organized into two parts encompassing 10 chapters, this book begins with an overview of the four qualitatively different aspects of ...
Mathematicians Are Edging Close to Solving One of the World's 7 Hardest Math Problems And there's $1 million at stake. By Caroline Delbert Published: Jul 09, 2024 10:15 AM EDT
Mathematicians are often haunted by problems that elude solutions and take centuries of effort to solve. Here we review 7 of the hardest math problems ever solved.
The Millennium Prize Problems are seven well-known complex mathematical problems selected by the Clay Mathematics Institute in 2000. The Clay Institute has pledged a US$1 million prize for the first correct solution to each problem.. The Clay Mathematics Institute officially designated the title Millennium Problem for the seven unsolved mathematical problems, the Birch and Swinnerton-Dyer ...
Ruvim Breydo, founder of Math-M-Addicts, advocates for math education focused on cognitive reasoning and problem-solving to nurture fearless, challenge-ready students.
The Carnegie Mellon Informatics and Mathematics Competition (CMIMC) is an annual high school math competition organized by students at Carnegie Mellon University. The math competition has run annually in the spring since 2016 and was last held on April 6, 2024.. Format. The tournament consists of a TCS round, a team round, and individual rounds.
The Biggest Problem in Mathematics Is Finally a Step Closer to Being Solved. Number theorists have been trying to prove a conjecture about the distribution of prime numbers for more than 160 years.
WTAJ News took a shot at solving the math homework. "You first subtract the 36 to group them as small dogs since you need at least 36 small dogs. ... In 2023, a math homework problem stumped the ...