Number Sense and Counting Systems · Number and Algebra

Estimation and Approximation

Learning to make sensible guesses about quantity based on visual benchmarks.

Key Questions

  1. 1What makes a guess a 'smart' estimate rather than just a random number?
  2. 2How does our estimate change when the size of the container changes?
  3. 3When is an estimate 'good enough' in real life?

ACARA Content Descriptions

AC9M1N01AC9M1N02
Year: Year 1
Subject: Mathematics
Unit: Number Sense and Counting Systems
Period: Number and Algebra

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