Keystones — Lintel
Five GCSE retrieval questions · 8 April 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 276 + 622
Answer: 276 + 622 = 898 -
2. Algebra
Solve: x⁄5 = 7.6
Answer: x = 38 -
3. Geometry
Opposite = 15cm, adjacent = 14cm. Calculate the angle
Answer: 47° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A bag has 6 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 6⁄11