Keystones — Cornerstone
Five GCSE retrieval questions · 7 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 70 + 60
Answer: 70 + 60 = 130 -
2. Algebra
Solve: x + 12 = 31
Answer: x = 19 -
3. Geometry
Opposite = 13cm, hypotenuse = 26cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics
Calculate the range of: 97, 47, 76, 56, 73, 47
Answer: 50