Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 63 + 94
Answer: 63 + 94 = 157 -
2. Algebra
Find the midpoint of (5, 6) and (10, 13)
Answer: (7.5, 9.5) -
3. Geometry
Find the area of a circle with radius 7cm
Answer: 153.94cm² -
4. Ratio
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics
Find the mean of: 14, 13, 20, 20
Answer: 16.75