Keystones — Cornerstone
Five GCSE retrieval questions · 6 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 632 + 766
Answer: 632 + 766 = 1398 -
2. Algebra
Solve: 3x = 9
Answer: x = 3 -
3. Geometry
Opposite = 17cm, adjacent = 10cm. Calculate the angle
Answer: 59.5° -
4. Ratio
Simplify: 12:15:12
Answer: 4:5:4 -
5. Statistics
Find the mean of: 11, 16, 12, 3
Answer: 10.5