Keystones — Bedrock
Five GCSE retrieval questions · 22 June 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 25 + 50
Answer: 25 + 50 = 75 -
2. Algebra
Simplify: 3x + 6x
Answer: 9x -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics
Find the range of: 17, 16, 21, 6, 16
Answer: 15