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Guess and Check, Work Backward

Solve story problems using estimation and evaluation

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

Guess and Check, Work Backward

by CK-12 //basic

Learn how to solve problems using guess and check and by working backward.

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Guess and Check, Work Backward

Explore how to solve word problems using the guess, check, and revise strategy.

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Guess and Check, Work Backward

Solve word problems using the guess, check, and revise strategy.

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Real-World Application Equations

Solve word problems using the guess, check, and revise strategy.

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• PLIX

Guess and Check, Work Backward: Which Boxes

Guess and Check, Work Backward Interactive

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• PLIX

Guess and Check, Work Backward: Weighing Fruit

Guess and Check, Work Backward Interactive

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• PLIX

Guess and Check, Work Backward: Weighing Scales

Guess and Check, Work Backward Interactive

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• PLIX

Guess and Check, Work Backward: Comparing Gummy Bear Weights

Guess and Check, Work Backward Interactive

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• PLIX

Guess and Check, Work Backward: Packing Shopping Bags

Guess and Check, Work Backward Interactive

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• Video

Word Problem Solving Plan 1

by CK-12 //basic

Walks through some examples of word problems. Learn how to devise a plan for solving word problems.

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• Video

Problem Solving Word Problems 2

by CK-12 //basic

Shows how to solve word problems with rates.

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• Video

Problem Solving Strategies- Guess and Check and Work Backwards: A Sample Application

This video demonstrates a sample use of the problem solving strategies: "Guess and Check" and "Work Backwards."

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• Video

Problem Solving Strategies- Guess and Check and Work Backwards: An Explanation

This video demonstrates a sample use of the problem solving strategies: "Guess and Check" and "Work Backwards."

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Guess and Check, Work Backward Quiz

Quiz for Guess and Check; Working Backward.

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• Practice
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Guess and Check, Work Backward Practice

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• Critical Thinking

Guess and Check, Work Backward Discussion Questions

A list of student-submitted discussion questions for Guess and Check, Work Backward.

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Guess and Check, Work Backwards Card Sort Activity

Sort out a jumble of key words into categories using the Card Sort strategy. This activity may help you to develop skills for remembering key words and concepts.

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Guess and Check, Work Backward Pre and Post Read

To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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Guess and Check, Work Backwards KWL Chart

With this KWL Chart, reflect on your prior knowledge of a concept, come up with questions you’re curious about, and come up with answers from the reading.

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• Real World Application

Car Loan

Students apply their understanding of the guess and check problem solving method and solving multi-step equations by looking at options for a car loan.

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• Study Guide

Guess and Check, Work Backwards

by Kevin Cui //basic

Learn to solve problems by guessing and checking.

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Problem Solving with Guess and Check

by Drishan Sarkar //basic

How to guess and check to solve problems

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• Flashcards

Problem-Solving Strategies: Guess and Check and Working Backward Flashcards

by CK-12 //basic

These flashcards help you study important terms and vocabulary from Guess and Check, Work Backward.

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• Flashcards

Guess and Check, Work Backward

by Tiffany Kwok //basic