Keystones — Lintel
Five GCSE retrieval questions · 2 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄5 + 2⁄4 + 1⁄2
Answer: 6⁄5 -
2. Algebra
Solve: 4x = 56
Answer: x = 14 -
3. Geometry
Adjacent = 27cm, hypotenuse = 38cm. Find the angle
Answer: 44.7° -
4. Ratio
Simplify: 4:8:8
Answer: 1:2:2 -
5. Statistics
Calculate the mean of: 34, 23, 12, 29, 37, 17, 10, 20
Answer: 22.8