Keystones — Capstone
Five GCSE retrieval questions · 20 February 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 2⁄3 + 2⁄6 + 4⁄6
Answer: 5⁄3 -
2. Algebra
Solve: x⁄8 = 1.875
Answer: x = 15 -
3. Geometry
Adjacent = 13cm, hypotenuse = 22cm. Find the angle
Answer: 53.8° -
4. Ratio
Simplify the ratio 2m:200cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 33. If 3 of them are 26, 29, 27, what is the missing number?
Answer: 50