Keystones — Lintel
Five GCSE retrieval questions · 2 July 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 972 + 787
Answer: 972 + 787 = 1759 -
2. Algebra
Factorise: 3x² + 8x
Answer: x(3x + 8) -
3. Geometry
Adjacent = 26cm, hypotenuse = 38cm. Find the angle
Answer: 46.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A bag has 6 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 3⁄5