Keystones — Lintel
Five GCSE retrieval questions · 6 January 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 349 + 926
Answer: 349 + 926 = 1275 -
2. Algebra
Factorise fully: 6x² + 8x
Answer: 2x(3x + 4) -
3. Geometry
Calculate the area of a circle with diameter 11cm
Answer: 95.03cm² -
4. Ratio
Calculate 18.2% of 768
Answer: 139.78 -
5. Statistics
Calculate the mean of: 38, 38, 24, 12, 15, 31, 35, 39
Answer: 29