Keystones — Lintel
Five GCSE retrieval questions · 9 October 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 120. What are the numbers?
Answer: 39, 40, and 41 -
2. Algebra
Solve: 6x = 36
Answer: x = 6 -
3. Geometry
Adjacent = 23cm, hypotenuse = 29cm. Find the angle
Answer: 37.5° -
4. Ratio
Find 23% of 249
Answer: 57.27 -
5. Statistics
Calculate the mean of: 5, 9, 18, 9, 11, 49
Answer: 16.8