Keystones — Lintel
Five GCSE retrieval questions · 3 February 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 514 + 798
Answer: 514 + 798 = 1312 -
2. Algebra
Solve: x⁄8 = 2.125
Answer: x = 17 -
3. Geometry
Adjacent = 23cm, hypotenuse = 31cm. Find the angle
Answer: 42.1° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A bag has 4 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 4⁄11