Keystones — Capstone
Five GCSE retrieval questions · 8 December 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
Simplify: 28x²y³ ÷ 5xy²
Answer: 5.6xy -
3. Geometry
Adjacent = 24cm, hypotenuse = 34cm. Find the angle
Answer: 45.1° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 21. If 4 of them are 26, 27, 19, 29, what is the missing number?
Answer: 4