Keystones — Cornerstone
Five GCSE retrieval questions · 27 October 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 226, 205, and 83
Answer: 514 -
2. Algebra
Solve: x + 4 = 14
Answer: x = 10 -
3. Geometry
Opposite = 13cm, adjacent = 8cm. Calculate the angle
Answer: 58.4° -
4. Ratio
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics
Calculate the mean of: 22, 6, 15, 17, 12, 7, 29, 39
Answer: 18.4