Keystones — Cornerstone
Five GCSE retrieval questions · 10 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 82 + 36
Answer: 82 + 36 = 118 -
2. Algebra
Solve: 4x = 56
Answer: x = 14 -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics
Find the range of: 26, 20, 27, 20, 33
Answer: 13