Keystones — Bedrock
Five GCSE retrieval questions · 14 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄10 + 4⁄10
Answer: 3⁄5 -
2. Algebra
Simplify: 5x + 3x
Answer: 8x -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics
Find the mean of: 20, 20, 12
Answer: 17.333333333333