Keystones — Lintel
Five GCSE retrieval questions · 22 August 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 857
Answer: 1851 -
2. Algebra
Solve: x⁄7 = 3.2857142857143
Answer: x = 23 -
3. Geometry
Opposite = 15cm, adjacent = 14cm. Calculate the angle
Answer: 47° -
4. Ratio
Simplify: 16:8:12
Answer: 4:2:3 -
5. Statistics
A bag has 3 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 3⁄7