Keystones — Lintel
Five GCSE retrieval questions · 7 July 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 93. What are the numbers?
Answer: 30, 31, and 32 -
2. Algebra
Solve: 6x = 78
Answer: x = 13 -
3. Geometry
Adjacent = 25cm, hypotenuse = 35cm. Find the angle
Answer: 44.4° -
4. Ratio
Simplify: 4:8:6
Answer: 2:4:3 -
5. Statistics
Calculate the mean of: 40, 45, 24, 19, 23, 17, 18
Answer: 26.6