Keystones — Capstone
Five GCSE retrieval questions · 25 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 994 + 542
Answer: 1536 -
2. Algebra
Solve: x⁄3 = 13
Answer: x = 39 -
3. Geometry
Adjacent = 20cm, hypotenuse = 36cm. Find the angle
Answer: 56.3° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 37. If 3 of them are 30, 39, 48, what is the missing number?
Answer: 31