Keystones — Lintel
Five GCSE retrieval questions · 4 February 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: 2x = 28
Answer: x = 14 -
3. Geometry
Adjacent = 18cm, hypotenuse = 34cm. Find the angle
Answer: 58° -
4. Ratio
Simplify: 15:6:6
Answer: 5:2:2 -
5. Statistics
A spinner has 4 red, 2 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄3