Keystones — Capstone
Five GCSE retrieval questions · 17 July 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: 992 + 667
Answer: 1659 -
2. Algebra
Simplify: 6x - 2x + 6y - y
Answer: 4x + 5y -
3. Geometry
Adjacent = 23cm, hypotenuse = 35cm. Find the angle
Answer: 48.9° -
4. Ratio
Calculate 49.6% of 428
Answer: 212.29 -
5. Statistics
The mean of 6 numbers is 21. If 5 of them are 20, 35, 27, 20, 26, what is the missing number?
Answer: -2