Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 31 + 98
Answer: 31 + 98 = 129 -
2. Algebra
Find the next term: 26, 30, 34, 38, ...
Answer: 42 -
3. Geometry
Find the area of a circle with radius 6cm
Answer: 113.cm² -
4. Ratio
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics
Find the mean of: 7, 17, 6, 9
Answer: 9.75