Keystones — Capstone
Five GCSE retrieval questions · 28 September 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄6 + 2⁄4 + 4⁄5
Answer: 22⁄15 -
2. Algebra
Solve: x⁄8 = 2.375
Answer: x = 19 -
3. Geometry
Adjacent = 22cm, hypotenuse = 40cm. Find the angle
Answer: 56.6° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 39. If 4 of them are 21, 45, 21, 35, what is the missing number?
Answer: 73