Keystones — Bedrock
Five GCSE retrieval questions · 1 November 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: 36 + 30
Answer: 36 + 30 = 66 -
2. Algebra
Factorise: 10x + 8
Answer: 2(5x + 4) -
3. Geometry
Opposite = 11cm, hypotenuse = 22cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2