In this KS2 Maths article you'll learn about some of the different methods you can use to add and subtract. We also have KS2 Maths videos, a quiz and lots of examples.

In this KS2 Maths article you'll find out how to use mental methods when doing addition and subtraction in your head. We also have KS2 Maths videos, a quiz and lots of examples.

Ellis showed a subtraction problem, performed both using the traditional regrouping, or borrow-and-carry, algorithm and using an example from the common core. Here’s a screenshot of the two methods.