Keystones — Lintel
Five GCSE retrieval questions · 2 July 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 35 + ? = 108
Answer: 73 -
2. Algebra
Solve: x⁄8 = 2
Answer: x = 16 -
3. Geometry
Adjacent = 22cm, hypotenuse = 34cm. Find the angle
Answer: 49.7° -
4. Ratio
Calculate 20.7% of 369
Answer: 76.38 -
5. Statistics
A bag has 3 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 3⁄10