Keystones — Cornerstone
Five GCSE retrieval questions · 13 April 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 286 + 255
Answer: 286 + 255 = 541 -
2. Algebra
Factorise: 8x² + 9x
Answer: x(8x + 9) -
3. Geometry
Opposite = 16cm, adjacent = 20cm. Calculate the angle
Answer: 38.7° -
4. Ratio
Calculate 10% of 131
Answer: 13.1 -
5. Statistics
Calculate the range of: 103, 41, 66, 55, 34, 75
Answer: 69