Keystones — Bedrock
Five GCSE retrieval questions · 21 September 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: -9 + 10
Answer: 1 -
2. Algebra
Simplify: 4x + 4x
Answer: 8x -
3. Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2