Keystones — Cornerstone
Five GCSE retrieval questions · 4 November 2026 · mathsvault.uk/keystones
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1. Number Multiplying fractions
Calculate: 6⁄7 × 6
Answer: 36⁄7 -
2. Algebra Expanding single brackets
Expand: 7(x + 6)
Answer: 7x + 42 -
3. Geometry Pythagoras — short side
Find b if a = 14cm and c = 25cm
Answer: 20.71cm -
4. Ratio Ratio given the difference
A and B share in ratio 8:7. If the difference is 36, what does A get?
Answer: 288 -
5. Statistics Range
Find the range of: 24, 27, 29, 19, 34
Answer: 15