Keystones — Capstone
Five GCSE retrieval questions · 30 December 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Simplify: 7x - 4x + 3y - 2y
Answer: 3x + y -
3. Geometry
Adjacent = 19cm, hypotenuse = 29cm. Find the angle
Answer: 49.1° -
4. Ratio
Calculate 31.7% of 975
Answer: 309.08 -
5. Statistics
The mean of 4 numbers is 32. If 3 of them are 28, 41, 42, what is the missing number?
Answer: 17