Keystones — Cornerstone
Five GCSE retrieval questions · 2 February 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 23 + 78
Answer: 23 + 78 = 101 -
2. Algebra
Simplify: 9x + 6x
Answer: 15x -
3. Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm² -
4. Ratio
Calculate 25% of 70
Answer: 17.5 -
5. Statistics
Calculate the range of: 59, 83, 65, 62, 24, 46
Answer: 59