The Power of Place: Large Numbers and Decimals · Number and Algebra

Expanding the Number System

Exploring place value beyond hundreds of thousands and how the position of a digit changes its magnitude by powers of ten.

Key Questions

  1. 1How does the value of a digit change as it moves one place to the left or right?
  2. 2Why is the number zero essential in a place value system?
  3. 3In what real world scenarios is it more useful to use an approximate number rather than an exact one?

ACARA Content Descriptions

AC9M5N01
Year: Year 5
Subject: Mathematics
Unit: The Power of Place: Large Numbers and Decimals
Period: Number and Algebra

Suggested Methodologies

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