Keystones — Cornerstone
Five GCSE retrieval questions · 2 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 92 + 26
Answer: 92 + 26 = 118 -
2. Algebra
Solve: x + 8 = 27
Answer: x = 19 -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify: 15:6:12
Answer: 5:2:4 -
5. Statistics
Find the mean of: 7, 7, 9, 6
Answer: 7.25