Keystones — Lintel
Five GCSE retrieval questions · 2 August 2024 · mathsvault.uk/keystones
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1. Number
What is the missing number: 87 + ? = 148
Answer: 61 -
2. Algebra
Solve: 4x = 52
Answer: x = 13 -
3. Geometry
Adjacent = 30cm, hypotenuse = 50cm. Find the angle
Answer: 53.1° -
4. Ratio
Calculate 50% of 700
Answer: 350 -
5. Statistics
A bag has 7 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 7⁄11