The Power of Place Value · Number and Algebra

Rounding and Estimation

Applying place value knowledge to round numbers and provide reasonable estimates for calculations.

Key Questions

  1. 1How do we decide which place value to round to in a real life situation?
  2. 2Why is an estimate sometimes more useful than an exact answer?
  3. 3What makes an estimation strategy reliable?

ACARA Content Descriptions

AC9M4N01
Year: Year 4
Subject: Mathematics
Unit: The Power of Place Value
Period: Number and Algebra

Suggested Methodologies

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