Keystones — Cornerstone
Five GCSE retrieval questions · 17 October 2021 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 34 + ? = 173
Answer: 139 -
2. Algebra
Factorise: 4x² + 8x
Answer: 4x(x + 2) -
3. Geometry
Calculate the distance between (2, 9) and (5, 13)
Answer: 5 -
4. Ratio
Find 84% of 215
Answer: 180.6 -
5. Statistics
Find the range of: 5, 7, 13, 8, 22
Answer: 17