Keystones — Cornerstone
Five GCSE retrieval questions · 20 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 950 + 682
Answer: 950 + 682 = 1632 -
2. Algebra
Solve: x + 7 = 14
Answer: x = 7 -
3. Geometry
Find the area of a circle with radius 3cm
Answer: 28.27cm² -
4. Ratio
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics
Calculate the range of: 25, 81, 77, 90, 44, 84
Answer: 65