Keystones — Lintel
Five GCSE retrieval questions · 24 June 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Solve: x⁄4 = 4
Answer: x = 16 -
3. Geometry
Adjacent = 16cm, hypotenuse = 28cm. Find the angle
Answer: 55.2° -
4. Ratio
Simplify: 12:10:12
Answer: 6:5:6 -
5. Statistics
Calculate the mean of: 9, 18, 19, 37, 23, 46, 38
Answer: 27.1