Keystones — Cornerstone
Five GCSE retrieval questions · 30 August 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 58 + 70
Answer: 58 + 70 = 128 -
2. Algebra
Solve: x + 14 = 21
Answer: x = 7 -
3. Geometry
Calculate the area of a circle with diameter 10cm
Answer: 78.54cm² -
4. Ratio
Simplify: 10:6:6
Answer: 5:3:3 -
5. Statistics
Find the range of: 23, 10, 37, 9, 18
Answer: 28