Foundation November 2021 Paper 1 Q10
10 Rachel records the temperature in her garden at noon each day.
On Monday, the temperature was 5 °C.
On Tuesday, the temperature was 10° less than the temperature on Monday.
On Wednesday, the temperature was 3° greater than the temperature on Tuesday.
Find the difference between the temperature on Monday and the temperature on Wednesday.
You must show all your working. (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| 7 | P1 | for process to find temperature on Wednesday, eg \(5 - 10 + 3\ (= -2)\) or \(-10 + 3\) or \(10 - 3\) |
| A1 | for 7, accept \(-7\) |
Additional guidance
Be aware of correct use of a number line