Keystones — Capstone
Five GCSE retrieval questions · 19 November 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Solve: x⁄8 = 3.625
Answer: x = 29 -
3. Geometry
Adjacent = 27cm, hypotenuse = 40cm. Find the angle
Answer: 47.5° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 39. If 4 of them are 37, 32, 48, 44, what is the missing number?
Answer: 34