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Number Sense and Counting Systems · Term 1

Ordinal Numbers and Position

Understanding and using ordinal numbers (first, second, third, etc.) to describe position in a sequence.

Key Questions

  1. Compare the use of cardinal numbers versus ordinal numbers.
  2. Design a sequence where ordinal numbers are essential for clear communication.
  3. Explain why the order matters when using ordinal numbers.

ACARA Content Descriptions

AC9M1N01
Year: Year 1
Subject: Mathematics
Unit: Number Sense and Counting Systems
Period: Term 1

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