Keystones — Bedrock
Five GCSE retrieval questions · 28 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 25 + 21
Answer: 25 + 21 = 46 -
2. Algebra
Solve: x + 9 = 19
Answer: x = 10 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics
Find the mean of: 10, 8, 15
Answer: 11