Keystones — Lintel
Five GCSE retrieval questions · 26 May 2024 · 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
Solve: x⁄8 = 4.25
Answer: x = 34 -
3. Geometry
Adjacent = 13cm, hypotenuse = 26cm. Find the angle
Answer: 60° -
4. Ratio
Simplify: 12:8:12
Answer: 3:2:3 -
5. Statistics
A bag has 7 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 7⁄13