Keystones — Lintel
Five GCSE retrieval questions · 3 April 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: 5x = 55
Answer: x = 11 -
3. Geometry
Adjacent = 13cm, hypotenuse = 31cm. Find the angle
Answer: 65.2° -
4. Ratio
Simplify: 4:4:12
Answer: 1:1:3 -
5. Statistics
A spinner has 6 red, 5 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄7