Keystones — Lintel
Five GCSE retrieval questions · 29 May 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 757
Answer: 1748 -
2. Algebra
Solve: 9x = 27
Answer: x = 3 -
3. Geometry
Adjacent = 14cm, hypotenuse = 24cm. Find the angle
Answer: 54.3° -
4. Ratio
Simplify: 6:6:12
Answer: 1:1:2 -
5. Statistics
Calculate the mean of: 43, 12, 25, 45, 17, 28, 27, 8
Answer: 25.6