Keystones — Capstone
Five GCSE retrieval questions · 25 December 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 105. What are the numbers?
Answer: 34, 35, and 36 -
2. Algebra
Solve: x⁄5 = 5.4
Answer: x = 27 -
3. Geometry
Adjacent = 22cm, hypotenuse = 28cm. Find the angle
Answer: 38.2° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 38. If 4 of them are 31, 40, 26, 43, what is the missing number?
Answer: 50