Keystones — Cornerstone
Five GCSE retrieval questions · 6 October 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 28 + 46
Answer: 28 + 46 = 74 -
2. Algebra
Solve: 6x = 60
Answer: x = 10 -
3. Geometry
Opposite = 9cm, adjacent = 20cm. Calculate the angle
Answer: 24.2° -
4. Ratio
Simplify: 18:18:12
Answer: 3:3:2 -
5. Statistics
Find the mean of: 6, 20, 10
Answer: 12