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Addition of Numbers to 20 · Autumn Term

Counting in Equal Groups

Practice mental multiplication and division using strategies like doubling and halving, factorisation, and estimation for larger numbers and decimals.

Key Questions

  1. What does it mean to arrange objects into equal groups?
  2. How can you skip count in 2s to find the total number of socks in four pairs?
  3. Can you put objects into equal groups and count how many there are altogether?

NCCA Curriculum Specifications

NCCA: Junior Cycle - Strand 3: Number - N.1.1NCCA: Junior Cycle - Strand 3: Number - N.1.2
Class/Year: 1st Class
Subject: Foundations of Mathematical Thinking
Unit: Addition of Numbers to 20
Period: Autumn Term

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