Keystones — Cornerstone
Five GCSE retrieval questions · 22 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 349 + 670
Answer: 349 + 670 = 1019 -
2. Algebra
Solve: x + 8 = 12
Answer: x = 4 -
3. Geometry
Opposite = 13cm, adjacent = 19cm. Calculate the angle
Answer: 34.4° -
4. Ratio
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics
Calculate the mean of: 34, 28, 29, 24, 50, 27, 19
Answer: 30.1