Keystones — Lintel
Five GCSE retrieval questions · 23 May 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄3 = 4.3333333333333
Answer: x = 13 -
3. Geometry
Adjacent = 18cm, hypotenuse = 32cm. Find the angle
Answer: 55.8° -
4. Ratio
Calculate 33.4% of 887
Answer: 296.26 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3