Keystones — Cornerstone
Five GCSE retrieval questions · 6 June 2026 · mathsvault.uk/keystones
-
1. Number Directed number mixed operations
Calculate: -8 × -5 + 8
Answer: 48 -
2. Algebra Linear nth term
Find the nth term: 36, 34, 32, 30, ...
Answer: 38 - 2n -
3. Geometry Area of a circle
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio Percentage change
A value increases from 186 to 226. What is the percentage change?
Answer: 21.5% -
5. Statistics Median
Find the median of: 15, 5, 12, 13, 5
Answer: 12