Activities in this teaching pack include differentiated worksheets to record how to solve problems using standard written method of subtraction to calculate the numbers of items sold in a newsagents by subtracting pairs of four digit numbers with exchange between place value.

The interactive presentation gets the children to explore how to use standard written methods of calculation to solve problems subtracting pairs of four digit numbers to calculate items sold in a newsagents.

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.