Keystones — Capstone
Five GCSE retrieval questions · 3 July 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 126. What are the numbers?
Answer: 41, 42, and 43 -
2. Algebra
Expand: 8(4x - 11)
Answer: 32x - 88 -
3. Geometry
Adjacent = 14cm, hypotenuse = 33cm. Find the angle
Answer: 64.9° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 32. If 5 of them are 20, 23, 21, 46, 36, what is the missing number?
Answer: 46