Keystones — Cornerstone
Five GCSE retrieval questions · 23 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 237 + 351
Answer: 237 + 351 = 588 -
2. Algebra
Expand: 6(3x + 6)
Answer: 18x + 36 -
3. Geometry
Find the area of a circle with radius 5cm
Answer: 78.54cm² -
4. Ratio
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics
Find the mean of: 7, 12, 10, 19, 17
Answer: 13