S1B - Combining and Separating 1

Bite 1

Represent and reason about additive relations

• Create, record and recognise combinations of two numbers that add to numbers from 11 up to and including 20

• Create, model and solve word problems, using number sentences

• Represent the difference between two numbers using concrete materials and diagrams

• Represent a constant difference between pairs of numbers

• Model how addition and subtraction are inverse operations using concrete materials, drawings and diagrams

• Recall and use related addition and subtraction number facts to at least 20