Students put all their addition and subtraction skills together to solve equations.

Match fun story problems with the correct addition or subtraction expression.

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.

The present paper describes the success, the methods (mental, informal written, standard algorithm) and the strategies of informal written arithmetic to be observed when 300 elementary students worked ...

In the video above, the MinutePhysics team demonstrates how addition can be used to solve subtraction problems. It requires budding modular mathematicians to perform some simple subtraction ...

Korean children's ability to solve addition problems with sums of 10, single-digit addition problems with sums between 10 and 18, and single-digit subtraction problems with minuends between 10 and 18 ...