Keystones — Cornerstone
Five GCSE retrieval questions · 13 June 2026 · mathsvault.uk/keystones
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1. Number Multiplying fractions
Multiply: 3⁄8 × 1⁄5
Answer: 3⁄40 -
2. Algebra Expanding single brackets
Expand: 9(x + 4)
Answer: 9x + 36 -
3. Geometry Pythagoras — short side
Find b if a = 15cm and c = 24cm
Answer: 18.73cm -
4. Ratio Ratio given the difference
A and B share in ratio 6:1. If the difference is 80, what does A get?
Answer: 96 -
5. Statistics Range
Find the range of: 30, 8, 19, 34, 33
Answer: 26