Keystones — Cornerstone
Five GCSE retrieval questions · 31 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 58 + 74
Answer: 58 + 74 = 132 -
2. Algebra
Solve: x + 6 = 22
Answer: x = 16 -
3. Geometry
Opposite = 9cm, adjacent = 13cm. Calculate the angle
Answer: 34.7° -
4. Ratio
Simplify: 6:10:8
Answer: 3:5:4 -
5. Statistics
A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 3⁄11