Keystones — Lintel
Five GCSE retrieval questions · 10 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 629
Answer: 1619 -
2. Algebra
For y = 4x³ + 5, find y when x = 3
Answer: y = 113 -
3. Geometry
Opposite = 18cm, adjacent = 11cm. Calculate the angle
Answer: 58.6° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 42, 44, 15, 17, 10, 19, 47, 20
Answer: 26.8