Keystones — Lintel
Five GCSE retrieval questions · 26 June 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
For y = 2x³ + 5, find y when x = 4
Answer: y = 133 -
3. Geometry
Calculate the area of a right triangle with perpendicular sides 11cm and 6cm
Answer: 33cm² -
4. Ratio
Calculate 24.3% of 984
Answer: 239.11 -
5. Statistics
Calculate the mean of: 23, 30, 23, 26, 31, 49
Answer: 30.3