Keystones — Lintel
Five GCSE retrieval questions · 27 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 811
Answer: 1801 -
2. Algebra
Solve: 6x = 36
Answer: x = 6 -
3. Geometry
Opposite = 13cm, adjacent = 19cm. Calculate the angle
Answer: 34.4° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A bag has 3 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 3⁄7