SUBJECTS: Maths YEARS: 3–4, 5–6 Miss White teaches you how to use regrouping to complete formal subtraction problems. She will introduce you to a helpful rhyme, which will help you when you're ...

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.