Keystones — Bedrock
Five GCSE retrieval questions · 15 November 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 3.4 + 5.5
Answer: 3.4 + 5.5 = 8.9 -
2. Algebra
Simplify: 8x + 9x
Answer: 17x -
3. Geometry
Opposite = 11cm, hypotenuse = 22cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics
Find the range of: 18, 6, 17, 9, 18
Answer: 12