Keystones — Cornerstone
Five GCSE retrieval questions · 23 March 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: 504 + 771
Answer: 504 + 771 = 1275 -
2. Algebra
Solve: 3x = 27
Answer: x = 9 -
3. Geometry
Opposite = 9cm, adjacent = 12cm. Calculate the angle
Answer: 36.9° -
4. Ratio
Simplify: 6:8:6
Answer: 3:4:3 -
5. Statistics
Calculate the mean of: 40, 47, 50, 26, 43, 48
Answer: 42.3