Year 1

Addition and subtraction

Choose a subtopic, explore its examples and practise with feedback.

Choose a subtopic.

Explore addition and subtraction for Year 1. Each subtopic has sample questions and worked answers; choose the skill you want to practise.

Use pictures, make-ten, counting and part-whole strategies within 20.

Add and subtract within 20 using short stories and missing numbers.

Choose and use addition or subtraction models for practical stories and simple purchases.

Make your own shopping, sharing or grouping story. Build a representation, choose the operation, calculate and explain your answer.