Keystones — Bedrock
Five GCSE retrieval questions · 6 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄10 + 5⁄10
Answer: 4⁄5 -
2. Algebra
Simplify: 3x + 2x
Answer: 5x -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics
Find the mean of: 16, 8, 9, 4, 18
Answer: 11