Keystones — Cornerstone
Five GCSE retrieval questions · 4 November 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 286, 229, and 79
Answer: 594 -
2. Algebra
Solve: 7x = 98
Answer: x = 14 -
3. Geometry
Opposite = 14cm, adjacent = 13cm. Calculate the angle
Answer: 47.1° -
4. Ratio
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics
Calculate the mean of: 49, 18, 33, 30, 34, 35, 22
Answer: 31.6