Keystones — Bedrock
Five GCSE retrieval questions · 1 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: -9 + (-10)
Answer: -19 -
2. Algebra
Find the next term: 13, 15, 17, 19, ...
Answer: 21 -
3. Geometry
Opposite = 14cm, hypotenuse = 19.8cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics
Find the mean of: 18, 19, 2
Answer: 13