Keystones — Lintel
Five GCSE retrieval questions · 29 April 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 2⁄4 + 2⁄3 + 1⁄4
Answer: 17⁄12 -
2. Algebra
Solve: x⁄2 = 10
Answer: x = 20 -
3. Geometry
Adjacent = 21cm, hypotenuse = 33cm. Find the angle
Answer: 50.5° -
4. Ratio
Calculate 40.1% of 616
Answer: 247.02 -
5. Statistics
Calculate the mean of: 49, 48, 40, 25, 20, 23
Answer: 34.2