Looking for the chance to develop your children's deeper understanding of addition and subtraction? Then this Year 3 Add 3 Digits and 10s Reasoning and Problem Solving worksheet is just what you need. With six questions that develop reasoning and problem solving skills, this resource will help children build their confidence when adding 3 digits and tens.

Use as part of your main class teaching, this worksheet provides you with a range of questions to demonstrate learning. We have included an answer page to make marking a little bit easier!