Keystones — Lintel
Five GCSE retrieval questions · 7 June 2026 · mathsvault.uk/keystones
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1. Number Mixed index laws
Simplify: (a4)3 × a2
Answer: a14 -
2. Algebra Unknowns on both sides
Solve: 8x - 10 = 6x + -6
Answer: x = 2 -
3. Geometry Distance between two points
Find the distance between (0, -3) and (10, 6)
Answer: 13.45 -
4. Ratio Repeated percentage change
A value of 238 increases by 14% each year for 3 years. Final value?
Answer: 352.61 -
5. Statistics Median
Find the median of: 34, 36, 62, 58, 47, 29, 32, 65, 71
Answer: 47