Keystones — Cornerstone
Five GCSE retrieval questions · 5 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 30 + 29
Answer: 30 + 29 = 59 -
2. Algebra
Solve: x + 13 = 28
Answer: x = 15 -
3. Geometry
Calculate the area of a circle with diameter 18cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics
Find the range of: 19, 14, 26, 11, 20
Answer: 15