Keystones — Cornerstone
Five GCSE retrieval questions · 28 November 2021 · mathsvault.uk/keystones
-
1. Number
Find the total of 212, 120, and 147
Answer: 479 -
2. Algebra
Solve: 8x = 96
Answer: x = 12 -
3. Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm² -
4. Ratio
Find 21% of 116
Answer: 24.36 -
5. Statistics
Calculate the mean of: 47, 36, 26, 38, 10, 37, 39, 7
Answer: 30