Keystones — Bedrock
Five GCSE retrieval questions · 12 July 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 32 + 37
Answer: 32 + 37 = 69 -
2. Algebra
Factorise: 20x + 15
Answer: 5(4x + 3) -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics
Find the mean of: 12, 9, 18, 8, 3
Answer: 10