Keystones — Lintel
Five GCSE retrieval questions · 20 October 2023 · mathsvault.uk/keystones
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1. Number
What is the missing number: 80 + ? = 142
Answer: 62 -
2. Algebra
Solve: x⁄2 = 8.5
Answer: x = 17 -
3. Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm² -
4. Ratio
Calculate 27.3% of 373
Answer: 101.83 -
5. Statistics
A spinner has 5 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄3