Keystones — Cornerstone
Five GCSE retrieval questions · 13 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 49 + 32
Answer: 49 + 32 = 81 -
2. Algebra
Expand: 7(x + 9)
Answer: 7x + 63 -
3. Geometry
Calculate the area of a circle with diameter 19cm
Answer: 283.53cm² -
4. Ratio
Simplify: 10:4:12
Answer: 5:2:6 -
5. Statistics
Find the range of: 25, 16, 13, 15, 7
Answer: 18