Keystones — Lintel
Five GCSE retrieval questions · 15 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄4 + 1⁄2 + 4⁄5
Answer: 41⁄20 -
2. Algebra
Solve: x⁄4 = 7.75
Answer: x = 31 -
3. Geometry
Opposite = 9cm, adjacent = 14cm. Calculate the angle
Answer: 32.7° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 32, 27, 10, 13, 46, 47
Answer: 29.2