Keystones — Capstone
Five GCSE retrieval questions · 1 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 612
Answer: 1608 -
2. Algebra
Solve: x⁄4 = 9
Answer: x = 36 -
3. Geometry
Adjacent = 21cm, hypotenuse = 33cm. Find the angle
Answer: 50.5° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 6 numbers is 40. If 5 of them are 45, 16, 44, 20, 16, what is the missing number?
Answer: 99