Keystones — Lintel
Five GCSE retrieval questions · 24 January 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 1⁄3 + 2⁄3 + 1⁄3
Answer: 4⁄3 -
2. Algebra
Solve: x⁄5 = 6
Answer: x = 30 -
3. Geometry
Opposite = 20cm, adjacent = 11cm. Calculate the angle
Answer: 61.2° -
4. Ratio
Simplify the ratio 7m:700cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 33, 44, 27, 42, 22, 48, 26, 25
Answer: 33.4