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
Year 8 - Answers for Revision exercise 2.4
These answers are given merely to help with revision. In order to get full marks all working out must be shown.
| 1 | a) | i) | a8 |
| | ii) | p3 |
| | iii) | a−3 |
| | iv) | b10 |
| b) | i) | 82.0 |
| | ii) | 82 |
| | | |
| 3 | a) | | 1 ⁄ 13 |
| b) | | 1 ⁄ 26 |
| c) | | 1 ⁄ 52 |
| d) | | 25 ⁄ 26 |
| | | |
| 4 | a) | | 1 ⁄ 2 |
| b) | | 1 ⁄ 4 |
| c) | | 3 ⁄ 4 |
| | | |
| 5 | a) | i) |
|
| | ii) |
|
| | iii) |
|
| | iv) |
|
| b) | |
| 4 | of | 3 | is smaller by | 1 |
| 7 | 4 | 60 |
|
| | | |
| 7 | a) | i) | 8.5 |
| | ii) | 7.75 |
| | iii) | 13.4 |
| b) | i) | 41.7% |
| | ii) | 76% |
| | | |
| 9 | b) | | 0.21 m |
| | | |
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