The World of Numbers to 20 · Number and Operations

Number Bonds and Decomposition

Exploring how whole numbers can be broken into smaller parts and put back together.

Key Questions

  1. 1How can one number be made up of different pairs of smaller numbers?
  2. 2Why is it useful to see a number as a set of parts?
  3. 3How do number bonds help us see the relationship between addition and subtraction?

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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