Keystones — Cornerstone
Five GCSE retrieval questions · 9 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 0 + 7
Answer: 7 -
2. Algebra
Factorise: 8x + 6
Answer: 2(4x + 3) -
3. Geometry
Calculate the area of a circle with diameter 10cm
Answer: 78.54cm² -
4. Ratio
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics
Find the mean of: 15, 5, 20, 9
Answer: 12.25