Links to other Year 8 Revision exercises - Ex 2.1 | Ex 2.2 | Ex 2.3 | Ex 2.4 | Ex 3.1 | Ex 3.3 | Ex 3.4 | Ex 3.5
These answers are given merely to help with revision. In order to get full marks all working out must be shown.
| 1 | a) | 5970 | ||||
| b) | 100000 | |||||
| c) | 1 ⁄ 16 | |||||
| d) | 1 | |||||
| 2 | a) | i) | 9.26 × 10-3 | |||
| ii) | 7.3 × 105 | |||||
| b) | i) | 0.302 | ||||
| ii) | 1.94 | |||||
| iii) | 2.49 | |||||
| 3 | a) | 1 ⁄ 3 | ||||
| b) | 2 ⁄ 3 | |||||
| 5 | a) | 1 ⁄ 18 | ||||
| b) |
| |||||
| c) |
| |||||
| d) |
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| 7 | a) | 1 ⁄ 4 | ||||
| b) | 7 ⁄ 10 | |||||
| c) | i) | 35% | ||||
| ii) | 44% | |||||
| 10 | a) | £12, £15, £18 | ||||
| b) | 8 km | |||||