Keystones — Cornerstone
Five GCSE retrieval questions · 9 October 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 240, 253, and 67
Answer: 560 -
2. Algebra
Solve: 5x = 15
Answer: x = 3 -
3. Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics
Calculate the range of: 34, 78, 27, 43, 51, 27
Answer: 51