New wave mental maths answer book

A blast from the past! New Wave Mental Maths was a popular mental arithmetic program in the UK, designed to help children develop their mental math skills. Here's a sample answer book for you:

New Wave Mental Maths Answer Book

Level 1

1. 2 x 3 =? Answer: 6
2. 5 - 1 =? Answer: 4
3. 7 + 2 =? Answer: 9
4. 9 - 3 =? Answer: 6
5. 4 x 1 =? Answer: 4

Level 2

1. 8 + 5 =? Answer: 13
2. 3 x 4 =? Answer: 12
3. 9 - 2 =? Answer: 7
4. 6 + 1 =? Answer: 7
5. 2 x 6 =? Answer: 12

Level 3

1. 14 - 9 =? Answer: 5
2. 7 x 3 =? Answer: 21
3. 11 + 2 =? Answer: 13
4. 8 - 4 =? Answer: 4
5. 9 x 2 =? Answer: 18

Level 4

1. 25 - 17 =? Answer: 8
2. 6 x 9 =? Answer: 54
3. 15 + 8 =? Answer: 23
4. 12 - 9 =? Answer: 3
5. 8 x 5 =? Answer: 40

Level 5

1. 36 - 23 =? Answer: 13
2. 9 x 8 =? Answer: 72
3. 20 + 14 =? Answer: 34
4. 15 - 11 =? Answer: 4
5. 6 x 9 =? Answer: 54