Keystones — Cornerstone
Five GCSE retrieval questions · 9 November 2024 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 93 + ? = 165
Answer: 72 -
2. Algebra
Solve: 2x = 18
Answer: x = 9 -
3. Geometry
Opposite = 11cm, adjacent = 11cm. Calculate the angle
Answer: 45° -
4. Ratio
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics
Find the mean of: 18, 9, 13, 18, 8
Answer: 13.2