Keystones — Cornerstone
Five GCSE retrieval questions · 20 June 2024 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 59 + ? = 151
Answer: 92 -
2. Algebra
Solve: 9x - 7 = 2x + 35
Answer: x = 6 -
3. Geometry
Opposite = 19cm, adjacent = 12cm. Calculate the angle
Answer: 57.7° -
4. Ratio
Simplify: 12:12:9
Answer: 4:4:3 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2