Keystones — Cornerstone
Five GCSE retrieval questions · 1 February 2022 · mathsvault.uk/keystones
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1. Number
Add: 3⁄6 + 2⁄3
Answer: 7⁄6 -
2. Algebra
Solve: x + 7 = 18
Answer: x = 11 -
3. Geometry
Opposite = 13cm, adjacent = 20cm. Calculate the angle
Answer: 33° -
4. Ratio
Calculate 25% of 42
Answer: 10.5 -
5. Statistics
Calculate the mean of: 28, 43, 40, 11, 47, 40, 13, 43
Answer: 33.1