Keystones — Cornerstone
Five GCSE retrieval questions · 16 May 2022 · mathsvault.uk/keystones
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1. Number
Add: 3⁄5 + 3⁄6
Answer: 11⁄10 -
2. Algebra
Solve: x + 15 = 24
Answer: x = 9 -
3. Geometry
Opposite = 16cm, adjacent = 10cm. Calculate the angle
Answer: 58° -
4. Ratio
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics
Calculate the range of: 116, 50, 121, 70, 87, 62
Answer: 71