Curated OER
Introduction to Solving Quadratic Equations by Factoring
Students solve quadratic equations. In this algebra lesson plan, students factor and graph linear and quadratic functions. They identify the standard and linear form of each equation.
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Mixed Skills Word Problems
In this mixed skills word problem worksheet, 6th graders solve 10 different problems that include various steps in completing each. First, they determine how many pieces of jewelry that a person had in all. Then, students determine the...
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Order Numbers On a Number Line
Fifth and sixth graders study the use of a number line to add integers and they observe a teacher demonstration of how to add integers on a number line. Afterward, they construct a number line and use the number line to solve addition...
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The Weight of Primates
Second graders practice their problem solving skills. In this addition and subtraction skills activity, 2nd graders solve word problems that require them to find differences and sums. This activity features the use of a video titled...
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Take Me Out to the Ball Game
Students play a math game which assesses their mastery of selecting the appropriate operation to solve specific problems.
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1st Grade Problem Solvers
First graders investigate, represent and solve problems using number facts, operations, and their properties. They solve on-step addition and subtraction number sentences and word problems using concrete materials. Students construct...
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Problem-Solving Decision: Explain Your Solution: Reteach
In this explaining solutions learning exercise, students follow the steps of looking for information, modeling the information, and using the model to solve the problem to help them explain solutions to math problems. Students then solve...
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Problem-Solving Decision: Explain Your Solution: Problem Solving
In this explaining solutions activity, students read the word problem and then use the steps of understand, plan, solve, and look back to help them solve the problem. Students also explain the solution.
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Problem-Solving Application: Use Operations: Problem Solving
In this mathematical operations instructional activity, students read the word problem and use the math table to solve the problem. Students follow the steps understand, plan, solve, and look back to complete the problem.
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Problem-Solving Decisions: Choose the Operation: Homework
In this math operations worksheet, students review the steps of understand, plan, solve, and look back to help them answer the word problems. Students choose the operation to use to solve each problem.
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Problem-Solving Application: Visual Thinking
In this problem solving application worksheet, students use visual thinking and reasoning in order to help them go through 4 steps to solve a math word problem.
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Ratio Problems
In this ratio worksheet, students solve a set of 5 ratio word problems. Answers and hints are available on-line; a reference web site is given.
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Algebra: Addition and Subtraction Equations
In this algebra learning exercise, students solve 6 problems in which students use the sample model to write equations. Students write the equation in words, replace the words with values from the model. and solve the equation.
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Mammal Story Problems (Math)
Fifth graders, after discussing the teacher's handout examples, practice writing five story problems about mammals using relevant/irrelevant information. As a class, they solve the story problems while identifying the key concepts that...
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Acid and Base Problems
In this acid and base activity, students use seven steps to calculate concentrations of ions in acidic and basic solutions. They also determine the type of acid or base.
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Addition of Mixed Numbers
In this addition worksheet, 4th graders solve eight mixed number problems and write each answer in its simplest form. Students work out two word problems involving fractions and mixed numbers.
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Changing Percents
This PowerPoint enables students solve problems that involve changing a percent into a fraction. These slides contain several word problems for students to answer and illustrations to match the problem. This is a great way to assess a...
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Cornell University
Plant Cell Crime Scene
Use science to solve the mystery of the Poplar murder. Pupils use forensic botany to determine if a suspect could be the killer. By analyzing images from a Transmission Electron Microscope, learners determine if the material found on the...
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Operations for Problem-Solving
Students examine a problem and develop the best method to arrive at the solution. In this math lesson, students apply basic math skills by coming up with the correct steps to solve a word problem. ...
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Problem Solving
Fourth graders complete a worksheet identifying unnecessary information regarding 8 different math problems. In this problem solving lesson, 4th graders discuss the meaning of colors on a spotlight in order to develop the skill of how to...
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Multistep Problems
In this multi-step problems activity, 4th graders read and analyze the paragraph on the activity about types of tools in order to answer four math questions with multiple choice answers.
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Solving Equations
In this Algebra II worksheet, 11th graders use the properties of equality to solve multi-step equations in one variable. The tow page worksheet contains explanation, guided examples, and fifteen practice problems. Answers are...
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Problem Solving
Students explore the concept of problem solving. In this problem solving lesson, students use a decision square to solve a word problem. Students practice using a decision square to problem solve.