By the end of this unit, children will be able to:
- Add and subtract multi-digit numbers with regrouping (borrowing/ carrying) accurately and efficiently.
- Apply addition and subtraction skills to solve real-life problems involving money, measurement, and more.
- Understand and use strategies for mental addition and subtraction.
- Solve word problems involving addition and subtraction, translating verbal descriptions into mathematical operations.
Curriculum Alignment: Year 4 Number: Addition and subtraction
- Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate.
- Estimate and use inverse operations to check answers to a calculation.
- Solve addition and subtraction two-step problems in contexts, deciding which operations and methods to use and why.




