Help children develop maths mastery skills with our Related Number Facts – Part Whole Addition and Subtraction Within 20 Worksheets. Helping children to understand how addition and subtraction relate to one another is a great way to help children acquire maths knowledge, skills and understanding, and is brilliant for building up maths confidence. Using the CPA (concrete-pictorial-abstract) approach is a really effective approach to maths that develops a deep and sustainable understanding, using physical and visual aids as a way to deepen children’s understanding.
National Curriculum Objectives
- Represent and use number bonds and related subtraction facts within 20
- Add and subtract one-digit and two-digit numbers to 20, including zero
- Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs
Aligned with the White Rose Maths teaching sequence, this maths lesson presentation could be taught in Spring block 1 (addition and subtraction – related facts).
Explore our year 1 maths resources.
Explore our maths scheme.
Explore our addition and subtraction resources.