Degrees of accuracy

12 questions

1. A degree of accuracy shows how precise a number or ___ is. For example, to the nearest cm, to the nearest 10 or to 1 significant figure.
2. Match each number to the correct statement.
3. Round 0.0434 to 2 significant figures.
4. Round 0.007006 to 3 significant figures.
5. Round 0.0896 to 2 significant figures.
6. Round 0.00600736 to 3 significant figures.
7. A ___ of accuracy shows how precise a number or measurement is.
8. The average size of a secondary school in 2024 was 1050. This number is most likely to have been rounded to which degree of accuracy?
9. The average temperature in the UK in 2024 was 10.93°C. This is most likely to have been rounded to which degree of accuracy?
10. Match each situation to the most appropriate degree of accuracy.
11. Use the exchange rate £1:$1.27 to convert $6.95 into pounds. Give your answer to an appropriate degree of accuracy.
12. Use your calculator to evaluate 1.27 - \sqrt{15}\over16.8 + 0.06. Give your answer to an appropriate degree of accuracy.

License: OGL