Keystones — Lintel
Five GCSE retrieval questions · 4 December 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 211, 174, and 134
Answer: 519 -
2. Algebra
For y = x³ + 14, calculate y when x = 2
Answer: y = 22 -
3. Geometry
Adjacent = 23cm, hypotenuse = 41cm. Find the angle
Answer: 55.9° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 8⁄13