Keystones — Capstone
Five GCSE retrieval questions · 1 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 657
Answer: 1654 -
2. Algebra
Simplify: 6x - 3x + 10y - 9y
Answer: 3x + y -
3. Geometry
Adjacent = 22cm, hypotenuse = 42cm. Find the angle
Answer: 58.4° -
4. Ratio
Calculate 19.8% of 866
Answer: 171.47 -
5. Statistics
The mean of 5 numbers is 20. If 4 of them are 42, 22, 45, 23, what is the missing number?
Answer: -32