Keystones — Bedrock
Five GCSE retrieval questions · 11 April 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 108 ÷ 9
Answer: 108 ÷ 9 = 12 -
2. Algebra
Find the next term: 11, 14, 17, 20, ...
Answer: 23 -
3. Geometry
Find the area of a right triangle with base 5cm and height 5cm
Answer: 12.5cm² -
4. Ratio
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics
Find the mean of: 10, 11, 7
Answer: 9.3333333333333