Keystones — Cornerstone
Five GCSE retrieval questions · 23 September 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 91 + 23
Answer: 91 + 23 = 114 -
2. Algebra
What is the next term? 3, 6, 12, 24, ...
Answer: 48 -
3. Geometry
Find the distance between (4, 1) and (7, 9)
Answer: 8.54 -
4. Ratio
Simplify: 8:10:10
Answer: 4:5:5 -
5. Statistics
Find the mean of: 19, 7, 10, 20, 20
Answer: 15.2