Keystones — Lintel
Five GCSE retrieval questions · 24 May 2023 · 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
Simplify: 12x - 9x + 8y - 5y
Answer: 3x + 3y -
3. Geometry
Adjacent = 27cm, hypotenuse = 36cm. Find the angle
Answer: 41.4° -
4. Ratio
Simplify: 8:12:6
Answer: 4:6:3 -
5. Statistics
Find the range of: -12, 45, -19, 37, 17
Answer: 64