Keystones — Cornerstone
Five GCSE retrieval questions · 30 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 28 + 90
Answer: 28 + 90 = 118 -
2. Algebra
For y = x³, find y when x = 3
Answer: y = 27 -
3. Geometry
Opposite = 18cm, adjacent = 19cm. Calculate the angle
Answer: 43.5° -
4. Ratio
Find 54% of 400
Answer: 216 -
5. Statistics
Find the mean of: 2, 7, 15, 11, 18
Answer: 10.6