Keystones — Lintel
Five GCSE retrieval questions · 20 October 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 73 + ? = 145
Answer: 72 -
2. Algebra
Solve: 6x = 54
Answer: x = 9 -
3. Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm² -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 4 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 4⁄9