Keystones — Lintel
Five GCSE retrieval questions · 12 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 699
Answer: 1689 -
2. Algebra
Solve: 8x = 48
Answer: x = 6 -
3. Geometry
Adjacent = 22cm, hypotenuse = 34cm. Find the angle
Answer: 49.7° -
4. Ratio
Simplify: 12:10:6
Answer: 6:5:3 -
5. Statistics
Calculate the mean of: 17, 6, 31, 41, 36, 21, 22
Answer: 24.9