Keystones — Lintel
Five GCSE retrieval questions · 21 April 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 4⁄6 + 1⁄5
Answer: 41⁄30 -
2. Algebra
Solve: x⁄2 = 19
Answer: x = 38 -
3. Geometry
Find perimeter: adjacent = 23cm, angle = 52°
Answer: 89.8cm -
4. Ratio
Simplify: 12:12:10
Answer: 6:6:5 -
5. Statistics
Find the range of: -3, 29, 29, -7, -25
Answer: 54