Free Grade 3 Working with Proof by Exhaustion Flashcards
Free Grade 3 flashcards for Working with Proof by Exhaustion. Spaced-repetition deck with prompts, answers and mnemonics. Working with Proof by Exhaustion is a chapter within Proof by Exhaustion: a coherent run of lessons that can be taught in one go.
Free
Higher
30 min
30
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with proof by exhaustion
Explain working with proof by exhaustion accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with proof by exhaustion
Calculate working with proof by exhaustion accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with proof by exhaustion
Compare working with proof by exhaustion accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with proof by exhaustion
Justify working with proof by exhaustion accurately in a familiar context.
Assessed by: Exit ticket of four short items
Prerequisites
Close these gaps first — each has its own free lesson, worksheet and quiz.
How Working with Proof by Exhaustion works
Working with Proof by Exhaustion is a chapter within Proof by Exhaustion: a coherent run of lessons that can be taught in one go.
Worked examples
Apply Working with Proof by Exhaustion in a routine context.
- Read the problem and name what Working with Proof by Exhaustion is being used for.
- Set out the method exactly as modelled in the lesson.
- Complete the calculation or reasoning step by step.
- Check the answer against an estimate or the original condition.
Apply Working with Proof by Exhaustion in a multi-step context.
- Read the problem and name what Working with Proof by Exhaustion is being used for.
- Set out the method exactly as modelled in the lesson.
- Complete the calculation or reasoning step by step.
- Check the answer against an estimate or the original condition.
Apply Working with Proof by Exhaustion in a unfamiliar context.
- Read the problem and name what Working with Proof by Exhaustion is being used for.
- Set out the method exactly as modelled in the lesson.
- Complete the calculation or reasoning step by step.
- Check the answer against an estimate or the original condition.
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Learners apply the correct method to working with proof by exhaustion but ignore the context or units.
Correction: Require an answer sentence with units on every applied question.
Confident students rush working with proof by exhaustion and skip the checking step.
Correction: Build in an estimate-before-solve routine so an unreasonable answer stands out.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
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Frequently asked
- Is this Grade 3 Working with Proof by Exhaustion flashcards really free?
- Yes. Every flashcards on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
- What should a learner already know before this?
- Start with Introducing Proof by Exhaustion, Algebraic Proof. Each one has its own free lesson, worksheet and quiz.
- How is the flashcards sequenced?
- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
- What comes next after Working with Proof by Exhaustion?
- Move on to Proof by Exhaustion in Context, Counterexamples, Algebraic Proof, which build directly on this idea.
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