Keystones — Capstone
Five GCSE retrieval questions · 1 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 999 + 529
Answer: 1528 -
2. Algebra
Solve: x⁄7 = 5.7142857142857
Answer: x = 40 -
3. Geometry
Adjacent = 21cm, hypotenuse = 39cm. Find the angle
Answer: 57.4° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 39. If 3 of them are 15, 50, 32, what is the missing number?
Answer: 59