Students learn how to perform addition with negative numbers Later in the lesson they are challenged to work with larger value numbers and solve complete a number pyramid using written methods.

The start of the lesson is used to recap adding and subtracting with two digit numbers. In the main part they use a number to line to visualise how to add and subtract positive and negative numbers. The plenary challenges students to work a problem backwards.

**Differentiated Learning Objectives**

- All students should be able to use a number line to add with negative numbers.
- Most students should be able to use written methods to add with negative numbers.
- Some students should be able to perform addition with positive and negative numbers and fractions.