Keystones — Capstone
Five GCSE retrieval questions · 17 September 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Solve: x⁄3 = 7.3333333333333
Answer: x = 22 -
3. Geometry
Adjacent = 24cm, hypotenuse = 38cm. Find the angle
Answer: 50.8° -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 36. If 5 of them are 46, 28, 39, 29, 20, what is the missing number?
Answer: 54