Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2023 · mathsvault.uk/keystones
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1. Number
900000
Answer: 9 × 105 -
2. Algebra
Solve: x + 4 = 23
Answer: x = 19 -
3. Geometry
Find the area of a circle with radius 10cm
Answer: 314.16cm² -
4. Ratio
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics
Find the range of: 19, 18, 30, 24, 34
Answer: 16