Keystones — Bedrock
Five GCSE retrieval questions · 7 April 2025 · mathsvault.uk/keystones
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1. Number
Round 972 to 1 significant figure
Answer: 900 -
2. Algebra
Find the next term: 14, 17, 20, 23, ...
Answer: 26 -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics
Find the range of: 26, 23, 20, 7, 9
Answer: 19