Mental Addition: Using the Inverse

  • Lesson 3 of 5

Year 3


SKU: M3IL30013

Some confused characters with different answers to a question provide the context for children to use the inverse to check the accuracy of an addition calculation. Using a number line, children will learn how to check their work (both for addition and subtraction problems) on the slides before having a go for themselves.
Add to Wishlist

Save £££ with a PlanBee membership. Find out more...