Keystones — Lintel
Five GCSE retrieval questions · 20 April 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1.4 + 21.92 + 0.542
Answer: 1.4 + 21.92 + 0.542 = 23.862 -
2. Algebra
Solve: 3x = 9
Answer: x = 3 -
3. Geometry
Calculate the hypotenuse when a = 6cm and b = 10cm
Answer: 11.66cm -
4. Ratio
Simplify: 18:6:15
Answer: 6:2:5 -
5. Statistics
Calculate the mean of: 20, 7, 42, 34, 17, 49
Answer: 28.2