Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: -2 + (-2)
Answer: -4 -
2. Algebra
Find the next term: 30, 33, 36, 39, ...
Answer: 42 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics
Find the range of: 17, 15, 21, 25, 33
Answer: 18