Number Sense and Operations · Number and Operations

The Logic of Counting

Exploring one to one correspondence and the concept of cardinality in sets up to 10.

Key Questions

  1. 1Why does the last number we say tell us how many are in the whole group?
  2. 2How can we check if two groups have the same amount without counting them one by one?
  3. 3What happens to our count if we move the objects around into a different shape?

NCCA Curriculum Specifications

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

Suggested Methodologies

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