Keystones — Cornerstone
Five GCSE retrieval questions · 12 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 79 + 41
Answer: 79 + 41 = 120 -
2. Algebra
Solve: 8x = 56
Answer: x = 7 -
3. Geometry
Calculate the area of a circle with diameter 14cm
Answer: 153.94cm² -
4. Ratio
Find 50% of 421
Answer: 210.5 -
5. Statistics
Find the mean of: 2, 3, 4, 19, 2
Answer: 6