Keystones — Lintel
Five GCSE retrieval questions · 30 January 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 271 + 240
Answer: 271 + 240 = 511 -
2. Algebra
Solve: x⁄4 = 2.75
Answer: x = 11 -
3. Geometry
Find the perimeter: hypotenuse = 20cm, one side = 10cm
Answer: 47.3cm -
4. Ratio
Calculate 49.9% of 266
Answer: 132.73 -
5. Statistics
A spinner has 3 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄3