Keystones — Cornerstone
Five GCSE retrieval questions · 27 October 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 375 + 410
Answer: 375 + 410 = 785 -
2. Algebra
Solve: x + 7 = 11
Answer: x = 4 -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify: 18:6:6
Answer: 3:1:1 -
5. Statistics
Find the mean of: 13, 20, 11, 3
Answer: 11.75