Adding and subtracting with negative numbers is taught through the use of a number line.  As learning progresses students begin to visualise the calculation and use written methods for larger and smaller values.  Students later apply their learning to complete number pyramids involving a mixture of positive and negative integers.

Differentiated Learning Objectives

• All students should be able to add and subtract with negative numbers using a number line.
• Most students should be able to add and subtract with negative numbers using written methods.
• Some students should be able to recognise that a 3 - -2 becomes 3 + 2 through a change of direction on the number line.

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Scheme of Work Link

Working with Negative Numbers 

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