Keystones — Lintel
Five GCSE retrieval questions · 23 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 3⁄5 + 4⁄6
Answer: 53⁄30 -
2. Algebra
Solve: 6x = 42
Answer: x = 7 -
3. Geometry
Opposite = 19cm, adjacent = 16cm. Calculate the angle
Answer: 49.9° -
4. Ratio
Simplify: 24:12:24
Answer: 2:1:2 -
5. Statistics
A spinner has 4 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 4⁄9