Keystones — Bedrock
Five GCSE retrieval questions · 17 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 88 + 29
Answer: 88 + 29 = 117 -
2. Algebra
Simplify: 3x + 7x
Answer: 10x -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics
Find the mean of: 4, 17, 5, 15, 15
Answer: 11.2