4MA0 Foundation January 2017 Paper 2R Q7
7 The table shows information about average temperatures for five months in Beijing.
| Month | Average temperature (°C) |
|---|---|
| October | 13 |
| November | 5 |
| December | −2 |
| January | −4 |
| February | −1 |
(a) Which of these months has the lowest average temperature? (1)
(b) Work out the difference between the average temperature in October and the average temperature in December. (2)
The average temperature in June is 28 °C higher than in January.
(c) Work out the average temperature in June. (2)
| Scheme | Marks |
|---|---|
| January | B1 |
| (1) |
Notes
B1: Accept −4
| Scheme | Marks |
|---|---|
| 13 − −2 | M1 |
| 15 | A1 |
| (2) |
Notes
M1: Accept −2 − 13
A1: Accept −15
| Scheme | Marks |
|---|---|
| −4 + 28 or 28 − 4 | M1 |
| 24 | A1 |
| (2) | |
| (5 marks) |
Notes
M1: Accept 28 + −4