Keystones — Lintel
Five GCSE retrieval questions · 8 June 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 129. What are the numbers?
Answer: 42, 43, and 44 -
2. Algebra
Solve: 4x = 16
Answer: x = 4 -
3. Geometry
Adjacent = 18cm, hypotenuse = 36cm. Find the angle
Answer: 60° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
A bag has 8 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 8⁄15