Activities in this teaching pack include a set of differentiated worksheets to select and use standard written methods of calculation to solve problems involving numbers with five digits for core and extension ability levels and four digits for support ability levels about products that could be made by robots in a factory.

The interactive presentation gets the children to explore how to use standard addition and subtraction calculations to solve number problems about products made by robots in a factory.

This lesson is part of a maths scheme of work to get the children to use standard written methods of addition and subtraction to check calculated sums using inverse operations and solve problems with multi-step solutions. There are teaching activities for shared learning, differentiated worksheets to support independent learning and interactive presentations to introduce concepts and key skills.