Addition and subtraction with regrouping using different strategies to solve.

Now, he solves for an unknown in any position. This video addresses Common Core Grade 2 Standard Operations & Algebraic Thinking: Represent and solve problems involving addition and subtraction.

Discover how to subtract two-digit numbers in this Year 2 article from BBC Bitesize.

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.