Keystones — Bedrock
Five GCSE retrieval questions · 27 July 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 49 + 14
Answer: 49 + 14 = 63 -
2. Algebra
Simplify: 8x + 8x
Answer: 16x -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics
Find the mean of: 9, 20, 16
Answer: 15