Place Value and the Power of Ten · Number and Operations

Rounding and Estimation

Applying rounding rules to the nearest 10, 100, and 1,000 to check for reasonableness.

Key Questions

  1. 1When is an estimate more useful than an exact calculation in real life?
  2. 2Why do we round up when a digit is exactly five?
  3. 3How does rounding to the nearest thousand change our perception of a quantity?

National Curriculum Attainment Targets

KS2: Mathematics - Number and Place Value
Year: Year 4
Subject: Mathematics
Unit: Place Value and the Power of Ten
Period: Number and Operations

Suggested Methodologies

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