Keystones — Cornerstone
Five GCSE retrieval questions · 13 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 44 + 74
Answer: 44 + 74 = 118 -
2. Algebra
Expand: 7(x + 8)
Answer: 7x + 56 -
3. Geometry
Opposite = 20cm, adjacent = 19cm. Calculate the angle
Answer: 46.5° -
4. Ratio
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics
Find the mean of: 18, 4, 5, 11, 8
Answer: 9.2