Keystones — Cornerstone
Five GCSE retrieval questions · 31 May 2021 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 71 + ? = 106
Answer: 35 -
2. Algebra
Find the next term: 18, 22, 26, 30, ...
Answer: 34 -
3. Geometry
Find the distance between (2, 1) and (7, 9)
Answer: 9.43 -
4. Ratio
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2