Activities in this teaching pack include a set of differentiated worksheets for support, core and extension ability levels to identity and record how to correct different number calculations when subtracting pairs of numbers with four digits using exchange between place value.

The interactive presentation gets the children to explore how to create and correct number calculations to subtract pairs of numbers with more than four digits.

This lesson is part of a maths scheme of work to get the children to identify and illustrate the sequences of steps that can be used when completing standard written methods using decomposition to subtract pairs of numbers with four or more digits. There are teaching activities for shared learning, differentiated worksheets to support independent learning and interactive presentations to introduce concepts and key skills.