Keystones — Bedrock
Five GCSE retrieval questions · 13 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: -9 + (-2)
Answer: -11 -
2. Algebra
Find the next term: 29, 39, 49, 59, ...
Answer: 69 -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics
Find the mean of: 20, 15, 14, 15
Answer: 16