Keystones — Cornerstone
Five GCSE retrieval questions · 15 April 2026 · mathsvault.uk/keystones
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1. Number Directed number mixed operations
Calculate: 7 × 4 + -3
Answer: 25 -
2. Algebra Linear nth term
Find the nth term: 33, 31, 29, 27, ...
Answer: 35 - 2n -
3. Geometry Area of a circle
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio Percentage change
A price falls from £344.00 to £190.00. Calculate the percentage decrease
Answer: 44.8% -
5. Statistics Median
Find the median of: 11, 14, 8, 9, 16
Answer: 11