Keystones — Capstone
Five GCSE retrieval questions · 6 May 2021 · mathsvault.uk/keystones
-
1. Number
Simplify: y4 × y5 × y5
Answer: y14 -
2. Algebra
Solve: x⁄4 = 3.25
Answer: x = 13 -
3. Geometry
Adjacent = 26cm, hypotenuse = 31cm. Find the angle
Answer: 33° -
4. Ratio
Calculate 44% of 304
Answer: 133.76 -
5. Statistics
The mean of 5 numbers is 29. If 4 of them are 40, 42, 16, 17, what is the missing number?
Answer: 30