Keystones — Lintel
Five GCSE retrieval questions · 21 June 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 111. What are the numbers?
Answer: 36, 37, and 38 -
2. Algebra
Solve: 4x = 28
Answer: x = 7 -
3. Geometry
Adjacent = 26cm, hypotenuse = 41cm. Find the angle
Answer: 50.6° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 31, 21, 39, 33, 10, 15, 23, 39
Answer: 26.4