Keystones — Lintel
Five GCSE retrieval questions · 28 August 2022 · mathsvault.uk/keystones
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1. Number
Simplify: 5√2 - 4√2
Answer: 1√2 -
2. Algebra
Solve: 6x - 11 = 4x + 5
Answer: x = 8 -
3. Geometry
Adjacent = 25cm, hypotenuse = 36cm. Find the angle
Answer: 46° -
4. Ratio
Simplify: 15:15:6
Answer: 5:5:2 -
5. Statistics
Find the range of: -21, 27, 8, 27, -21
Answer: 48