Keystones — Lintel
Five GCSE retrieval questions · 16 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 891
Answer: 1888 -
2. Algebra
Expand: 4(3x + 4)
Answer: 12x + 16 -
3. Geometry
A right triangle has hypotenuse 5cm and one side 3cm. Find its area
Answer: 6cm² -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A bag has 3 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 3⁄7