Number Sense and Operations · Number and Operations

Partitioning and Combining

Understanding that a whole number can be broken into smaller parts in various ways.

Key Questions

  1. 1How many different ways can we make the number five using two groups?
  2. 2If we have a group of six, what happens to the total if we hide some behind our back?
  3. 3Why is it helpful to see a group of five and some more when looking at the number eight?

NCCA Curriculum Specifications

NCCA: Primary - NumberNCCA: Primary - Operations
Class/Year: Senior Infants
Subject: Foundations of Mathematical Thinking
Unit: Number Sense and Operations
Period: Number and Operations

Suggested Methodologies

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