Keystones — Lintel
Five GCSE retrieval questions · 13 May 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 102. What are the numbers?
Answer: 33, 34, and 35 -
2. Algebra
Solve: 3x = 42
Answer: x = 14 -
3. Geometry
Calculate the hypotenuse when a = 4cm and b = 13cm
Answer: 13.6cm -
4. Ratio
Calculate 43.7% of 689
Answer: 301.09 -
5. Statistics
Calculate the mean of: 35, 34, 22, 19, 41, 8, 28, 8
Answer: 24.4