Keystones — Capstone
Five GCSE retrieval questions · 22 March 2023 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 117. What are the numbers?
Answer: 38, 39, and 40 -
2. Algebra
Solve: x⁄8 = 4.375
Answer: x = 35 -
3. Geometry
Adjacent = 15cm, hypotenuse = 28cm. Find the angle
Answer: 57.6° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 34. If 5 of them are 29, 45, 25, 43, 24, what is the missing number?
Answer: 38