Using Estimation to Check Answers

In this lesson, learners will be able to use estimation to check answers to calculations; and determine, in the context of a problem, an appropriate degree of accuracy
using estimation to check answers
Description

By the end of this unit, students will:

  1. Understand the purpose of estimation in mathematics.
  2. Use estimation to check the reasonableness of their answers in various calculations.
  3. Compare estimated results with actual results and identify discrepancies.
  4. Apply estimation techniques to different types of mathematical problems.

Year 6 Number: Number – addition, subtraction, multiplication and division

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

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