The World of Numbers to 20 · Number and Operations

Counting and Cardinality

Understanding that the last number named tells the number of objects counted regardless of their arrangement.

Key Questions

  1. 1How does counting in a specific order help us stay organized?
  2. 2If we move these objects around, why does the total number stay the same?
  3. 3What happens to a group of objects when we add one more or take one away?

MOE Syllabus Outcomes

MOE: Whole Numbers - P1
Level: Primary 1
Subject: Mathematics
Unit: The World of Numbers to 20
Period: Number and Operations

Suggested Methodologies

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Developing language to describe relationships between quantities such as more than, less than, and equal to.

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