Addition and Subtraction — Year 5

• Add and subtract large numbers

  Litnumia skill: Add and subtract large numbers

  Concrete–pictorial–abstract progression: bar models and number lines before formal columnar addition/subtraction with exchanging.

• Multi-step addition and subtraction problems

  Litnumia skill: Multi-step addition and subtraction problems

  Concrete–pictorial–abstract progression: bar models and number lines before formal columnar addition/subtraction with exchanging.