Using Estimation to Determine if Your Answer Makes Sense

This lesson teaches how to use estimation to determine if answers are reasonable. It emphasizes the importance of units in verifying answers and highlights common mistakes, such as blindly trusting calculator results. A structured problem-solving approach is outlined, including reading the problem, planning, estimating, and checking results. Examples include converting inches to feet and calculating race pace, demonstrating how estimation aids in avoiding errors and saving time.

How can units help determine if an answer makes sense?

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Describe a common mistake students make when using calculators.

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What steps should you take to develop a good approach to solving a problem?

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What is the importance of using estimation before solving a problem?

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Explain how to estimate the conversion of 102 inches into feet.

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What should you consider when estimating Sophia's mile pace from her 5K race time?

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How can estimating help in catching mistakes and saving time?

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