Keystones — Lintel
Five GCSE retrieval questions · 14 March 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Solve: 2x = 6
Answer: x = 3 -
3. Geometry
Adjacent = 15cm, hypotenuse = 23cm. Find the angle
Answer: 49.3° -
4. Ratio
Simplify: 6:12:12
Answer: 1:2:2 -
5. Statistics
A spinner has 4 red, 4 blue and 4 green sections. Probability of landing on red?
Answer: 1⁄3