Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2025 · mathsvault.uk/keystones
-
1. Number
Round 149 to the nearest 10
Answer: 150 -
2. Algebra
Factorise: 6x + 6
Answer: 2(3x + 3) -
3. Geometry
Opposite = 11cm, hypotenuse = 15.6cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
In ratio 2:1, the difference between shares is 26. What are the shares?
Answer: 52 and 26 -
5. Statistics
Find the mean of: 6, 14, 10, 12
Answer: 10.5