Links to other Year 7 Revision exercises - Ex 1.1 | Ex 1.2 | Ex 1.3 | Ex 1.4 | Ex 2.1 | Ex 2.2 | Ex 2.3 | Ex 3.1 | Ex 3.3 | Ex 4.2 | Ex 4.4
These answers are given merely to help with revision. In order to get full marks all working out must be shown.
| 7 | a) | 23 × 7 | |
| b) | 22 × 33 × 5 | ||
| c) | 32 × 73 | ||
| 8 | a) | 10, 12, 14 | |
| b) | 32, 64, 128 | ||
| c) | 16, 26, 42 | ||
| 9 | 5, 30, 180, 1080 | ||