Keystones — Lintel
Five GCSE retrieval questions · 26 April 2023 · 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
Simplify: 7x - 4x + 7y - 5y
Answer: 3x + 2y -
3. Geometry
Adjacent = 14cm, hypotenuse = 26cm. Find the angle
Answer: 57.4° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A bag has 5 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 5⁄12