Keystones — Cornerstone
Five GCSE retrieval questions · 14 March 2026 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 58 + ? = 155
Answer: 97 -
2. Algebra
Solve: 5x + 5 = x + 49
Answer: x = 11 -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics
Find the range of: 21, 13, 29, 24, 24
Answer: 16