Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 41 + 41
Answer: 41 + 41 = 82 -
2. Algebra
Find the midpoint of (4, 2) and (14, 13)
Answer: (9, 7.5) -
3. Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics
Find the mean of: 12, 14, 4
Answer: 10