Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 64 + 91
Answer: 64 + 91 = 155 -
2. Algebra
Find the next term: 27, 30, 33, 36, ...
Answer: 39 -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics
Find the mean of: 19, 11, 2, 4, 15
Answer: 10.2