Keystones — Bedrock
Five GCSE retrieval questions · 14 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 1 + 4.2
Answer: 1 + 4.2 = 5.2 -
2. Algebra
Find the next term: 10, 20, 30, 40, ...
Answer: 50 -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics
Find the mean of: 9, 3, 13, 8, 18
Answer: 10.2