Keystones — Lintel
Five GCSE retrieval questions · 6 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 857 + 481
Answer: 857 + 481 = 1338 -
2. Algebra
Find the next term: 1, 4, 10, 19, ...
Answer: 31 -
3. Geometry
A right triangle has hypotenuse 13cm and one side 5cm. Find its area
Answer: 30cm² -
4. Ratio
Simplify: 4:6:10
Answer: 2:3:5 -
5. Statistics
A bag has 7 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 7⁄10