Keystones — Lintel
Five GCSE retrieval questions · 18 September 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 962 + 161
Answer: 962 + 161 = 1123 -
2. Algebra
Solve: x⁄7 = 4.7142857142857
Answer: x = 33 -
3. Geometry
Find the distance between (-4, 1) and (9, 11)
Answer: 16.4 -
4. Ratio
Find 78% of 105
Answer: 81.9 -
5. Statistics
Calculate the mean of: 50, 22, 9, 20, 9, 19
Answer: 21.5