Keystones — Lintel
Five GCSE retrieval questions · 24 December 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄5 + 1⁄3 + 2⁄3
Answer: 8⁄5 -
2. Algebra
Solve: 2x = 20
Answer: x = 10 -
3. Geometry
Opposite = 8cm, adjacent = 11cm. Calculate the angle
Answer: 36° -
4. Ratio
Simplify: 10:10:4
Answer: 5:5:2 -
5. Statistics
A bag has 4 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 4⁄11