Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 23 + 27
Answer: 23 + 27 = 50 -
2. Algebra
Find the next term: 17, 21, 25, 29, ...
Answer: 33 -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 25% of 110
Answer: 27.5 -
5. Statistics
Find the median of: 20, 13, 16, 10, 12
Answer: 13