Keystones — Lintel
Five GCSE retrieval questions · 8 July 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 105. What are the numbers?
Answer: 34, 35, and 36 -
2. Algebra
Factorise fully: 6x² + 8x
Answer: 2x(3x + 4) -
3. Geometry
Adjacent = 23cm, hypotenuse = 38cm. Find the angle
Answer: 52.8° -
4. Ratio
Simplify: 12:10:8
Answer: 6:5:4 -
5. Statistics
A bag has 3 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2