Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: -1 + 5
Answer: 4 -
2. Algebra
Find the next term: 20, 30, 40, 50, ...
Answer: 60 -
3. Geometry
Opposite = 5cm, hypotenuse = 10cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics
Find the mean of: 9, 17, 17
Answer: 14.333333333333