Keystones — Lintel
Five GCSE retrieval questions · 12 February 2022 · mathsvault.uk/keystones
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1. Number
Add: 3⁄7 + 1⁄3
Answer: 16⁄21 -
2. Algebra
Solve: 3x = 45
Answer: x = 15 -
3. Geometry
Calculate the hypotenuse when a = 12cm and b = 12cm
Answer: 16.97cm -
4. Ratio
Find 23% of 123
Answer: 28.29 -
5. Statistics
A spinner has 3 red, 3 blue and 4 green sections. Probability of landing on red?
Answer: 3⁄10