Keystones — Lintel
Five GCSE retrieval questions · 21 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 937 + 935
Answer: 937 + 935 = 1872 -
2. Algebra
For y = 3x³ + 12, find y when x = 4
Answer: y = 204 -
3. Geometry
Adjacent = 16cm, hypotenuse = 25cm. Find the angle
Answer: 50.2° -
4. Ratio
Find 77% of 82
Answer: 63.14 -
5. Statistics
A bag has 7 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 7⁄12