Keystones — Capstone
Five GCSE retrieval questions · 1 September 2024 · mathsvault.uk/keystones
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1. Number
Simplify: y2 × y4 × y2
Answer: y8 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Adjacent = 17cm, hypotenuse = 32cm. Find the angle
Answer: 57.9° -
4. Ratio
Calculate 10.9% of 231
Answer: 25.18 -
5. Statistics
The mean of 4 numbers is 38. If 3 of them are 40, 28, 16, what is the missing number?
Answer: 68