Keystones — Cornerstone
Five GCSE retrieval questions · 23 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 59 + 86
Answer: 59 + 86 = 145 -
2. Algebra
Solve: 5x = 50
Answer: x = 10 -
3. Geometry
Opposite = 18cm, adjacent = 9cm. Calculate the angle
Answer: 63.4° -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Calculate the mean of: 31, 9, 45, 25, 29, 19, 47
Answer: 29.3