Keystones — Cornerstone
Five GCSE retrieval questions · 14 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 88 + 47
Answer: 88 + 47 = 135 -
2. Algebra
For y = x³, find y when x = 4
Answer: y = 64 -
3. Geometry
Opposite = 16cm, adjacent = 19cm. Calculate the angle
Answer: 40.1° -
4. Ratio
Simplify: 6:12:15
Answer: 2:4:5 -
5. Statistics
Calculate the mean of: 11, 10, 15, 23, 31, 50
Answer: 23.3