Curated OER
"Weighing the Elephant"
Can your class solve the problem presented in the Chinese folktale, "Weighing the Elephant?" Read your class the description before having them attempt to solve the problem. After they've come up with an answer (or attempted to!), finish...
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Right on Time
The hour is nigh for your class to practice equivalency problems in the form of time-zone conversions. They write equations to describe elapsed time and apply problem solving strategies, including writing a plan, to solve the problems.
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What Is It?
You have to love lessons that foster problem solving strategies. This one has upper graders devise and employ their own strategy to solve given problems after they have used classics like guess/check, substitution, make a table, and look...
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Number Sentences
Fifth graders become familiar with problem solving strategies of guess and check and working backwards. They demonstrate the basic concepts of addition, subtraction, multiplication, and division using a math sentence.
Illustrative Mathematics
Voting for Two, Variation 4
After elections, the total amount of votes is not specified but the ratio of votes is. Your learners' job is to determine the fraction of votes John received above half of all votes. The problem can be solved abstractly or by other...
Illustrative Mathematics
Voting for Two, Variation 3
After calculating election votes, your learners must determine how many votes the winner, John, got above 50%. This multi-step problem encourages them to think in a deeper way about what the question is asking them to find. Use with...
Curated OER
Concepts Of Division
In a comprehensive and well-outlined series of activities, the class investigates how division is the same as repeated subtraction. During guided practice, they take notes on turning sample word problems into solvable equations and...
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Get Me to the Premiere on Time
Students discover how to calculate speed, distance, and rate. In this problem solving lesson, students view an episode of "Cyberchase" and use the distance formula to determine the fastest route that the main character in the episode...
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Perimeter and Area 5
In this calculating area worksheet, students use their problem solving skills and the information provided to find the area of 6 triangles.
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Perimeter and Area 2
In this calculating area worksheet, students use their problem solving skills and the information provided to find the area of 6 rectangles.
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Perimeter and Area 4
In this calculating area worksheet, students use their problem solving skills and the information provided to find the area of 6 rectangles.
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Perimeter and Area 7
In this calculating area worksheet, students use their problem solving skills and the information provided to find the area of 6 figures.
Curated OER
Design Patterns
Students extend and create patterns. Through a variety of activities, they discover patterns as they exist in math and their everyday lives. Students create a necklace that represents a pattern.
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Everyday Math
Young scholars discuss word problems involving time and money. In this mathematics lesson, students solve word problems as a class focusing on addition, subtraction, multiplication, and simple fractions. Young scholars then make their...
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Dinosaur Math
Students read How to Train with a T.Rex and Win 8 Gold Medals and solve math problems. In this dinosaur math lesson, students write a math story to go with the dinosaur story. Students discuss the needed strategies. Students complete a...
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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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Incorporating Literature While Teaching Math
Third graders solve story word problems based on the story Twas the Night Before Christmas. In this word problems lesson plan, 3rd graders incorporate literature with math.
Curated OER
River Optimization Problem
Students define the different methods used for optimizing a particular element of a problem. In this optimization problem lesson, students optimize appropriate details of a problem using data collection, algebra, technology, and/or...
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The Apple Orchard Problem
Students explore various approaches to solving a problem of maximizing the total production of apples in an orchard. In this apple orchard lesson, students collect data in order to solve the apple orchard problem presented. Students plot...
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Three for the Money: The Degree/Diameter Problem
Students explore the degree, diameter, planarity, and size of graphs. In this degree, diameter, planarity, and size of graphs lesson, students try to construct a graph with more than 12 vertices that satisfy all other requirements. ...
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Solving Equations as Word Problems
Students solve linear equations using word problems. In this algebra lesson, students rewrite the word problems by identifying the important information. They make a table and graph their results to analyze it.
Curated OER
The Engineering Design Process
Students utilize their creative skills by solving engineering issues. In this problem solving instructional activity, students examine the 6 steps to the engineering process by completing a worksheet. Students examine one of three...
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Solve Right Triangle
In this trigonometric applications worksheet, students solve for the missing side of a right triangle using a trigonometric ratio. There are 46 questions, 10 of which are word problems.
Curated OER
Codebreaker Math
Students solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages using math...