Keystones — Cornerstone
Five GCSE retrieval questions · 5 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 5²
Answer: 25 -
2. Algebra
Expand: 4(6x + 3)
Answer: 24x + 12 -
3. Geometry
Calculate the area of a circle with diameter 17cm
Answer: 226.98cm² -
4. Ratio
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics
Calculate the range of: 35, 41, 49, 65, 55, 48
Answer: 30