Keystones — Cornerstone
Five GCSE retrieval questions · 4 May 2026 · mathsvault.uk/keystones
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1. Number Index law — multiplication
Simplify: 92 × 92
Answer: 94 -
2. Algebra Unknowns on both sides
Solve: 7x - 8 = 4x + -2
Answer: x = 2 -
3. Geometry Converting mixed metric units
Convert 4km to m
Answer: 4000m -
4. Ratio Mixed ratio problems
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Expected frequency
A die is rolled 36 times. How many times would you expect to get a 6?
Answer: 6