# Estimation to check answers to calculations

Use estimation to check answers to calculations and determine, in the context of a problem, an appropriate degree of accuracy

Builds on: Decimal place value (soft, https://ai.page/c/decimal-place-value-3/en.md), Checking Answers by Rounding (hard, https://ai.page/c/checking-answers-by-rounding/en.md)

Concept id: estimation-to-check-answers-to-calculations. Subject: maths. Licence: CC BY-SA 4.0.

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