Keystones — Lintel
Five GCSE retrieval questions · 26 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 752
Answer: 1750 -
2. Algebra
For y = 3x³ + 11, find y when x = 2
Answer: y = 35 -
3. Geometry
Opposite = 20cm, adjacent = 17cm. Calculate the angle
Answer: 49.6° -
4. Ratio
Simplify: 20:12:16
Answer: 5:3:4 -
5. Statistics
Calculate the mean of: 50, 22, 39, 19, 28, 13
Answer: 28.5