Keystones — Capstone
Five GCSE retrieval questions · 26 September 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 991 + 537
Answer: 1528 -
2. Algebra
Simplify: 8x - 7x + 4y - 3y
Answer: x + y -
3. Geometry
Adjacent = 21cm, hypotenuse = 29cm. Find the angle
Answer: 43.6° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 39. If 4 of them are 27, 28, 29, 30, what is the missing number?
Answer: 81