Keystones — Capstone
Five GCSE retrieval questions · 5 March 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 877
Answer: 1867 -
2. Algebra
Solve: x⁄6 = 5.8333333333333
Answer: x = 35 -
3. Geometry
A right triangle has hypotenuse 17cm and one side 8cm. Find its area
Answer: 60cm² -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 2 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 2⁄7