Keystones — Lintel
Five GCSE retrieval questions · 18 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 990 + 531
Answer: 1521 -
2. Algebra
Solve: 7x = 35
Answer: x = 5 -
3. Geometry
Calculate the hypotenuse when a = 6cm and b = 11cm
Answer: 12.53cm -
4. Ratio
Calculate 37.6% of 428
Answer: 160.93 -
5. Statistics
Calculate the mean of: 24, 34, 19, 37, 43, 30, 7
Answer: 27.7