Keystones — Lintel
Five GCSE retrieval questions · 13 January 2025 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 759
Answer: 1754 -
2. Algebra
Solve: 2x = 22
Answer: x = 11 -
3. Geometry
Opposite = 13cm, adjacent = 17cm. Calculate the angle
Answer: 37.4° -
4. Ratio
Calculate 27.3% of 380
Answer: 103.74 -
5. Statistics
A bag has 8 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 8⁄15