Keystones — Cornerstone
Five GCSE retrieval questions · 2 October 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: 65 + 45
Answer: 65 + 45 = 110 -
2. Algebra
Solve: 2x = 22
Answer: x = 11 -
3. Geometry
Calculate the distance between (1, 4) and (4, 8)
Answer: 5 -
4. Ratio
Simplify: 15:18:9
Answer: 5:6:3 -
5. Statistics
Find the range of: 8, 31, 22, 17, 10
Answer: 23