The Power of Place Value · Number and Algebra

Flexible Partitioning

Breaking numbers apart in non standard ways to build mental computation flexibility.

Key Questions

  1. 1In what different ways can we decompose 100 using tens and ones?
  2. 2How does partitioning a number make it easier to add or subtract mentally?
  3. 3Why might one way of breaking a number be more useful than another in a specific problem?

ACARA Content Descriptions

AC9M2N01AC9M2N02
Year: Year 2
Subject: Mathematics
Unit: The Power of Place Value
Period: Number and Algebra

Suggested Methodologies

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