Keystones — Lintel
Five GCSE retrieval questions · 16 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 648
Answer: 1647 -
2. Algebra
For y = x³ + 12, calculate y when x = 4
Answer: y = 76 -
3. Geometry
Adjacent = 25cm, hypotenuse = 35cm. Find the angle
Answer: 44.4° -
4. Ratio
Simplify the ratio 2m:200cm
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