add and subtract part whole model

Add and Subtract: Part-whole Model

Explore number bonds by breaking down a whole into its component parts, fostering a deeper understanding of addition relationships.

Target Grade:

Lesson Overview

add and subtract part whole model
Description

By the end of this unit, students will be able to:

  1. Understand the part-whole model, which illustrates how numbers can be combined to create a whole.
  2. Explore number bonds by breaking down a whole into its component parts, fostering a deeper understanding of addition relationships.

Year 1 Mathematics: Addition and subtraction

  • read, write and interpret mathematical statements involving addition (+), subtraction (−) and equals (=) signs
  • represent and use number bonds and related subtraction facts within 20
Last updated on: February 16, 2026

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