Keystones — Lintel
Five GCSE retrieval questions · 21 December 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 590
Answer: 1580 -
2. Algebra
Solve: x⁄8 = 4.375
Answer: x = 35 -
3. Geometry
Opposite = 10cm, adjacent = 18cm. Calculate the angle
Answer: 29.1° -
4. Ratio
Calculate 41.8% of 694
Answer: 290.09 -
5. Statistics
A bag has 8 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2