Keystones — Lintel
Five GCSE retrieval questions · 27 January 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄2 = 14.5
Answer: x = 29 -
3. Geometry
Adjacent = 29cm, hypotenuse = 47cm. Find the angle
Answer: 51.9° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
A bag has 4 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2