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

Addition What is 4 + 5? We can put 4 things in one of the parts and 5 in the other part. By combining the two parts in the whole circle we can find the sum of 4 + 5.

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

Let's explore addition and subtraction This collection contains curriculum-relevant videos, quizzes and games to help Year 6 and P7 Maths students with: mental addition strategies adding and ...

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

This study examined Korean second and third graders' understanding of multidigit addition and subtraction and particularly their ability to explain the trading required when a column sum of the ...