Year 4 Checking Answers Worksheets – Addition and Subtraction

These Year 4 checking answers worksheets focus on helping pupils check addition and subtraction calculations using estimation and inverse operations. Pupils are given completed calculations and are asked to decide whether the answers are reasonable by rounding and estimating, or by using the inverse operation to check accuracy.

The worksheets include a mix of addition and subtraction calculations within 10,000. Some questions ask pupils to check given answers, while others require pupils to calculate the answer first and then use estimation or the inverse to check their work. Estimation tasks involve rounding to the nearest 100 or 1,000, helping pupils develop a sense of whether an answer is sensible.

The worksheets support pupils in understanding that checking is an important part of calculation, not an extra step. They encourage careful thinking, accuracy and reflection, and are suitable for independent work, guided groups or use alongside whole-class teaching when revisiting checking strategies.

View all Year 4 Autumn Block 2 addition and subtraction resources