Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: -6 + 9
Answer: 3 -
2. Algebra
Find the next term: 28, 38, 48, 58, ...
Answer: 68 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
In ratio 4:1, the difference between shares is 63. What are the shares?
Answer: 84 and 21 -
5. Statistics
Find the mean of: 19, 17, 4
Answer: 13.333333333333