Keystones — Lintel
Five GCSE retrieval questions · 31 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 647 + 769
Answer: 647 + 769 = 1416 -
2. Algebra
Solve: x⁄7 = 1.8571428571429
Answer: x = 13 -
3. Geometry
Opposite = 8cm, adjacent = 13cm. Calculate the angle
Answer: 31.6° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A bag has 7 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 7⁄12