Keystones — Lintel
Five GCSE retrieval questions · 14 December 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: x⁄3 = 9.3333333333333
Answer: x = 28 -
3. Geometry
Adjacent = 13cm, hypotenuse = 28cm. Find the angle
Answer: 62.3° -
4. Ratio
Simplify: 8:20:24
Answer: 2:5:6 -
5. Statistics
Calculate the mean of: 21, 20, 6, 23, 36, 47
Answer: 25.5