Keystones — Cornerstone
Five GCSE retrieval questions · 20 January 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 62 + ? = 149
Answer: 87 -
2. Algebra
Solve: 6x = 42
Answer: x = 7 -
3. Geometry
Opposite = 16cm, adjacent = 13cm. Calculate the angle
Answer: 50.9° -
4. Ratio
Simplify: 8:8:12
Answer: 2:2:3 -
5. Statistics
Calculate the mean of: 18, 9, 42, 13, 7, 33, 46, 24
Answer: 24