Reasoning and problem solving with adding and subtracting 1s from two and three-digit numbers just got easier! Download our Year 3 Add and Subtract 1s worksheet for your children to use as part of your lesson on this key skill. We've created three different question types for children to put their reasoning and problem solving skills to the test.

Use this worksheet following on from a set of varied fluency questions. You could also use this as a challenge or extension activity or in a small group intervention too. A clear and concise answer page has been provided to save you time marking or to be used by the children to support peer and self marking skills.