Keystones — Lintel
Five GCSE retrieval questions · 17 March 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Solve: 3x = 24
Answer: x = 8 -
3. Geometry
Adjacent = 22cm, hypotenuse = 36cm. Find the angle
Answer: 52.3° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A bag has 6 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 3⁄7