Keystones — Lintel
Five GCSE retrieval questions · 18 August 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄5 + 5⁄6 + 1⁄4
Answer: 113⁄60 -
2. Algebra
Solve: x⁄4 = 9.5
Answer: x = 38 -
3. Geometry
Adjacent = 26cm, hypotenuse = 44cm. Find the angle
Answer: 53.8° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 3⁄11