Keystones — Lintel
Five GCSE retrieval questions · 5 November 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 85 + ? = 101
Answer: 16 -
2. Algebra
Solve: x⁄6 = 3.3333333333333
Answer: x = 20 -
3. Geometry
Opposite = 11cm, adjacent = 16cm. Calculate the angle
Answer: 34.5° -
4. Ratio
Simplify the ratio 6m:600cm
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