Keystones — Cornerstone
Five GCSE retrieval questions · 12 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 46 + 79
Answer: 46 + 79 = 125 -
2. Algebra
Simplify: 9x + 8x
Answer: 17x -
3. Geometry
Opposite = 12cm, adjacent = 9cm. Calculate the angle
Answer: 53.1° -
4. Ratio
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics
Calculate the mean of: 45, 38, 40, 26, 38, 18, 10
Answer: 30.7