Activities in this teaching pack include differentiated worksheets to select the prices of different sandwich fillings to add together to calculate their total prices and a template to model how to use an expanded method of addition when adding the tens and ones in numbers.

The interactive presentation gets the children to explore and illustrate how to add pairs of numbers using an expanded method of addition to calculate the cost of buying fillings for a sandwich.

This lesson is part of a maths scheme of work to get the children to model and record how to solve number problems involving addition of pairs of two digit numbers including exchange between place value. There are teaching activities for shared learning, differentiated worksheets to support independent learning and interactive presentations to introduce concepts and key skills.