Keystones — Capstone
Five GCSE retrieval questions · 5 February 2022 · 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⁄5 = 3
Answer: x = 15 -
3. Geometry
Adjacent = 14cm, hypotenuse = 19cm. Find the angle
Answer: 42.5° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 29. If 3 of them are 46, 38, 40, what is the missing number?
Answer: -8