Keystones — Cornerstone
Five GCSE retrieval questions · 17 April 2026 · mathsvault.uk/keystones
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1. Number Directed number mixed operations
Calculate: 4 × 0 + 3
Answer: 3 -
2. Algebra Linear nth term
Find the nth term rule for: 4, 7, 10, 13, ...
Answer: 3n + 1 -
3. Geometry Area of a circle
Find the area of a circle with radius 6cm
Answer: 113.cm² -
4. Ratio Percentage change
A price falls from £344.00 to £169.00. Calculate the percentage decrease
Answer: 50.9% -
5. Statistics Median
Calculate the median of: 19, 19, 28, 11, 37, 35
Answer: 23.5