Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 28 + 43
Answer: 28 + 43 = 71 -
2. Algebra
Find the next term: 5, 11, 17, 23, ...
Answer: 29 -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics
Find the mean of: 5, 7, 15, 11
Answer: 9.5