Keystones — Cornerstone
Five GCSE retrieval questions · 21 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 245 + 462
Answer: 245 + 462 = 707 -
2. Algebra
Solve: x + 5 = 14
Answer: x = 9 -
3. Geometry
Opposite = 7cm, hypotenuse = 14cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics
Find the mean of: 5, 3, 20, 11
Answer: 9.75