4MA0 Foundation January 2018 Paper 1R Q22
22 The scale of a map is 1:50 000
The length of a road on the map is 30 cm.
Work out the length of the real road.
Give your answer in km.
(3)
| Scheme | Marks |
|---|---|
| 50 000 × 30 (= 1500000) or 50 000 ÷ (100 × 1000) (= 0.5) or 30 ÷ (100 × 1000) (= 0.0003) | M1 |
| ‘1500000’ ÷ (100 × 1000) or ‘0.5’ × 30 or ‘0.0003’ × 50000 | M1 |
| 15 | A1 |
| (3) |
Notes
M1: for a correct first step or an answer with the digits 15 eg 0.0015, 1500
M1: for a complete method