Keystones — Lintel
Five GCSE retrieval questions · 29 June 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 3⁄4 + 5⁄6
Answer: 25⁄12 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
Calculate the area of a circle with diameter 21cm
Answer: 346.36cm² -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A bag has 5 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 5⁄12