Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 28 + 44
Answer: 28 + 44 = 72 -
2. Algebra
Find the next term: 20, 23, 26, 29, ...
Answer: 32 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics
Find the mean of: 18, 19, 10, 12
Answer: 14.75