Keystones — Lintel
Five GCSE retrieval questions · 27 May 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 123. What are the numbers?
Answer: 40, 41, and 42 -
2. Algebra
Solve: x⁄2 = 14
Answer: x = 28 -
3. Geometry
Opposite = 15cm, adjacent = 8cm. Calculate the angle
Answer: 61.9° -
4. Ratio
Simplify: 24:20:20
Answer: 6:5:5 -
5. Statistics
A spinner has 4 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 4⁄9