Keystones — Bedrock
Five GCSE retrieval questions · 7 April 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: 1.7 + 3.3
Answer: 1.7 + 3.3 = 5 -
2. Algebra
Simplify: 4x + 2x
Answer: 6x -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2