Keystones — Lintel
Five GCSE retrieval questions · 6 February 2024 · 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: 2x = 22
Answer: x = 11 -
3. Geometry
Adjacent = 14cm, hypotenuse = 20cm. Find the angle
Answer: 45.6° -
4. Ratio
Find 45% of 180
Answer: 81 -
5. Statistics
Calculate the mean of: 11, 23, 13, 22, 42, 12
Answer: 20.5