Keystones — Capstone
Five GCSE retrieval questions · 6 April 2021 · 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
Simplify: 26x²y³ ÷ 6xy²
Answer: 4.3333333333333xy -
3. Geometry
Adjacent = 16cm, hypotenuse = 21cm. Find the angle
Answer: 40.4° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 24. If 4 of them are 49, 41, 46, 32, what is the missing number?
Answer: -48