Keystones — Capstone
Five GCSE retrieval questions · 27 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 552
Answer: 1550 -
2. Algebra
Simplify: 7x - 2x + 7y - 6y
Answer: 5x + y -
3. Geometry
Adjacent = 21cm, hypotenuse = 28cm. Find the angle
Answer: 41.4° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 30. If 3 of them are 37, 44, 35, what is the missing number?
Answer: 4