Keystones — Capstone
Five GCSE retrieval questions · 19 July 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: 2⁄3 + 1⁄3 + 1⁄2
Answer: 3⁄2 -
2. Algebra
Solve: x⁄5 = 4.6
Answer: x = 23 -
3. Geometry
Adjacent = 18cm, hypotenuse = 35cm. Find the angle
Answer: 59.1° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 29. If 3 of them are 27, 17, 27, what is the missing number?
Answer: 45