Keystones — Bedrock
Five GCSE retrieval questions · 30 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄10 + 4⁄10
Answer: 7⁄10 -
2. Algebra
Find the next term: 7, 15, 23, 31, ...
Answer: 39 -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Find the mean of: 10, 5, 20
Answer: 11.666666666667