The Power of Place Value · Number and Operations

Rounding and Estimation Strategies

Using rounding as a tool for estimation and checking the reasonableness of calculations in context.

Key Questions

  1. 1How do we decide which power of ten is the most appropriate for rounding a specific number?
  2. 2What is the difference between rounding to the nearest ten and rounding to the nearest ten thousand?
  3. 3How can rounding help us spot errors in complex calculations quickly?

National Curriculum Attainment Targets

KS2: Mathematics - Number and Place Value
Year: Year 5
Subject: Mathematics
Unit: The Power of Place Value
Period: Number and Operations

Suggested Methodologies

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