Key Maths is a series of graded activity books that reinforce children's mastery of important skills and concepts as required by the Primary National Strategy for maths at Key Stage 1. Key Maths Book 4includes:
- numbers to a hundred, counting in tens, tens and units
- vertical addition and subtraction of 2-digit numbers
- odd and even numbers
- right angles.
Key Maths Book 4 (of 5): Key Stage 1, Years 1 & 2