Keystones — Cornerstone
Five GCSE retrieval questions · 3 October 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 52 + 85
Answer: 52 + 85 = 137 -
2. Algebra
Collect like terms: 3x + 7y + 8x + 7y
Answer: 11x + 14y -
3. Geometry
Opposite = 9cm, adjacent = 16cm. Calculate the angle
Answer: 29.4° -
4. Ratio
Calculate 25% of 50
Answer: 12.5 -
5. Statistics
Find the range of: 16, 42, 16, 44, 45
Answer: 29