Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 29 + 21
Answer: 29 + 21 = 50 -
2. Algebra
Solve: x + 10 = 23
Answer: x = 13 -
3. Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics
Find the mean of: 17, 19, 4, 6, 5
Answer: 10.2