Keystones — Cornerstone
Five GCSE retrieval questions · 29 April 2022 · mathsvault.uk/keystones
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1. Number
Find the total of 274, 173, and 75
Answer: 522 -
2. Algebra
Solve: x + 6 = 23
Answer: x = 17 -
3. Geometry
Calculate the area of a circle with diameter 20cm
Answer: 314.16cm² -
4. Ratio
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics
Find the mean of: 18, 12, 2, 8, 10
Answer: 10