Keystones — Cornerstone
Five GCSE retrieval questions · 25 November 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 50 + 46
Answer: 50 + 46 = 96 -
2. Algebra
Solve: x + 6 = 20
Answer: x = 14 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics
Calculate the mean of: 14, 8, 19, 27, 26, 8, 40
Answer: 20.3