Keystones — Lintel
Five GCSE retrieval questions · 1 April 2023 · mathsvault.uk/keystones
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1. Number
Add: 2⁄4 + 2⁄5
Answer: 9⁄10 -
2. Algebra
For y = 4x³ + 12, find y when x = 4
Answer: y = 268 -
3. Geometry
Adjacent = 26cm, hypotenuse = 41cm. Find the angle
Answer: 50.6° -
4. Ratio
Simplify: 8:8:12
Answer: 2:2:3 -
5. Statistics
A bag has 5 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 5⁄11