Keystones — Bedrock
Five GCSE retrieval questions · 27 June 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 15 + 28
Answer: 15 + 28 = 43 -
2. Algebra
Find the next term: 11, 21, 31, 41, ...
Answer: 51 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics
Find the mean of: 14, 5, 4, 12
Answer: 8.75