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

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.

Under the common core, there are many ways to do subtraction—none of which involve borrowing and carrying.

The new theme is Addition and Subtraction, stories of humans becoming more and less and sometimes both with the help of technology.

Fifth-graders will continue to deepen their understanding of addition, subtraction, multiplication, and division of fractions.

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 ...