Keystones — Bedrock
Five GCSE retrieval questions · 16 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2 + (-4)
Answer: -2 -
2. Algebra
Find the next term: 13, 18, 23, 28, ...
Answer: 33 -
3. Geometry
Opposite = 5cm, hypotenuse = 10cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics
Find the mean of: 8, 16, 16
Answer: 13.333333333333