Keystones — Lintel
Five GCSE retrieval questions · 23 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 3⁄4 + 1⁄2 + 2⁄6
Answer: 19⁄12 -
2. Algebra
Solve: x⁄3 = 2.3333333333333
Answer: x = 7 -
3. Geometry
Opposite = 20cm, adjacent = 13cm. Calculate the angle
Answer: 57° -
4. Ratio
Simplify: 15:18:6
Answer: 5:6:2 -
5. Statistics
Find the range of: 20, 25, -20, 22, -9
Answer: 45