Addition Commutativity and Subtraction Video Tutorial

Teacher Specific Information

In this Addition Commutativity and Subtraction Video Tutorial, Katie shows pupils how to calculate addition and subtraction number sentences. She uses key vocabulary including part, whole and commutativity.

This video will be useful for children to watch at home or for extra support as part of an intervention, or whole class activity.

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National Curriculum Objectives

Number – addition and subtraction
(2C9a) Show that addition of two numbers can be done in any order (commutative) and subtraction of one number from another cannot