Keystones — Cornerstone
Five GCSE retrieval questions · 7 January 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 54 + 44
Answer: 54 + 44 = 98 -
2. Algebra
Factorise: 5x² + 5x
Answer: 5x(x + 1) -
3. Geometry
Opposite = 20cm, adjacent = 11cm. Calculate the angle
Answer: 61.2° -
4. Ratio
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics
Calculate the range of: 57, 21, 40, 62, 35, 41
Answer: 41