Keystones — Bedrock
Five GCSE retrieval questions · 22 July 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 63 + 50
Answer: 63 + 50 = 113 -
2. Algebra
Factorise: 8x + 12
Answer: 4(2x + 3) -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 50% of 106
Answer: 53 -
5. Statistics
Find the mean of: 16, 15, 5
Answer: 12