Keystones — Bedrock
Five GCSE retrieval questions · 13 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 4.1 + 8.7
Answer: 4.1 + 8.7 = 12.8 -
2. Algebra
Find the next term: 30, 33, 36, 39, ...
Answer: 42 -
3. Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 10% of 175
Answer: 17.5 -
5. Statistics
Find the range of: 37, 34, 30, 14, 21
Answer: 23