Keystones — Lintel
Five GCSE retrieval questions · 9 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 635
Answer: 1627 -
2. Algebra
Solve: 4x = 48
Answer: x = 12 -
3. Geometry
Adjacent = 28cm, hypotenuse = 39cm. Find the angle
Answer: 44.1° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 4⁄7