Keystones — Lintel
Five GCSE retrieval questions · 9 February 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 1⁄6 + 1⁄2
Answer: 7⁄6 -
2. Algebra
Solve: 7x = 105
Answer: x = 15 -
3. Geometry
Adjacent = 23cm, hypotenuse = 41cm. Find the angle
Answer: 55.9° -
4. Ratio
Find 67% of 347
Answer: 232.49 -
5. Statistics
A bag has 7 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 7⁄13