The Maths Habit

Estimating calculations

Rounding and estimation · Foundation · 5:28

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:21Do Now
  3. 1:11Round, then calculate
  4. 1:43Dividing by 0.5 or 0.2
  5. 2:20Example 1: a fraction
  6. 2:55Example 2: an overestimate
  7. 3:32Your turn
  8. 4:05Common mistake
  9. 4:38Worksheet and exit question

Practise estimation for 15 minutes a day in The Maths Habit, on your phone or in your browser.

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