Keystones — Lintel
Five GCSE retrieval questions · 15 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄5 + 1⁄3 + 4⁄6
Answer: 7⁄5 -
2. Algebra
For y = 2x³ + 12, find y when x = 2
Answer: y = 28 -
3. Geometry
Adjacent = 12cm, hypotenuse = 19cm. Find the angle
Answer: 50.8° -
4. Ratio
Simplify: 10:8:8
Answer: 5:4:4 -
5. Statistics
A spinner has 2 red, 2 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄4