1. Find the range of these numbers: 3, 7, 1, 9, 5

2. Find the range of these temperatures: 12°C, 8°C, 15°C, 6°C, 11°C

3. What is the range of these test scores: 85, 92, 78, 96, 81, 89?

4. The heights of five students are: 145cm, 152cm, 138cm, 160cm, 149cm. What is the range?

5. A football team scored the following goals in their last 6 matches: 2, 0, 3, 1, 4, 2. What is the range of goals scored?

6. The prices of mobile phones in a shop are: £299, £450, £189, £625, £320. Find the range of prices.

7. During one week, Sarah recorded the number of minutes she spent reading each day: Monday 25 minutes, Tuesday 18 minutes, Wednesday 32 minutes, Thursday 15 minutes, Friday 28 minutes, Saturday 40 minutes, Sunday 22 minutes. What is the range?

8. A set of data has a range of 12. The highest value is 25. What is the lowest value?

9. The range of five numbers is 18. Four of the numbers are: 7, 12, 15, 20. What could the fifth number be? Give two possible answers.

10. A class recorded their pulse rates. The lowest pulse rate was 68 beats per minute and the range was 24. What was the highest pulse rate?