With this KS2 Square Numbers Add a Number Arithmetic Test, you can check how well your children can add to square numbers. With questions that are differentiated three ways, you can pitch your questions to the right level for every child in your class. Don't worry about your marking, we have you covered with our easy-to-use answer page, which includes answers for every question at every level. Get this single-file download today to make sure your class can confidently add to square numbers.