Keystones — Lintel
Five GCSE retrieval questions · 5 November 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 18cm, hypotenuse = 26cm. Find the angle
Answer: 46.2° -
4. Ratio
Simplify: 10:8:6
Answer: 5:4:3 -
5. Statistics
A spinner has 4 red, 5 blue and 6 green sections. Probability of landing on red?
Answer: 4⁄15