Keystones — Cornerstone
Five GCSE retrieval questions · 23 June 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: 88 + 54
Answer: 88 + 54 = 142 -
2. Algebra
Simplify: 7x + 9x
Answer: 16x -
3. Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm² -
4. Ratio
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics
Calculate the range of: 44, 70, 98, 81, 64, 111
Answer: 67