Keystones — Lintel
Five GCSE retrieval questions · 25 June 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄5 + 2⁄5 + 3⁄5
Answer: 8⁄5 -
2. Algebra
Solve: x⁄4 = 8
Answer: x = 32 -
3. Geometry
Adjacent = 24cm, hypotenuse = 30cm. Find the angle
Answer: 36.9° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 3⁄11