Keystones — Lintel
Five GCSE retrieval questions · 2 May 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 2⁄4 + 3⁄4 + 5⁄6
Answer: 25⁄12 -
2. Algebra
Solve: 7x = 21
Answer: x = 3 -
3. Geometry
Find perimeter: adjacent = 21cm, angle = 30°
Answer: 57.3cm -
4. Ratio
Find 28% of 237
Answer: 66.36 -
5. Statistics
Find the range of: 29, 33, -1, -25, -4
Answer: 58