Keystones — Cornerstone
Five GCSE retrieval questions · 25 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 59 + 42
Answer: 59 + 42 = 101 -
2. Algebra
Expand: 4(4x + 5)
Answer: 16x + 20 -
3. Geometry
Calculate the area of a circle with diameter 21cm
Answer: 346.36cm² -
4. Ratio
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics
Calculate the mean of: 33, 38, 29, 33, 16, 44, 48
Answer: 34.4