Keystones — Lintel
Five GCSE retrieval questions · 29 June 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 807 + 505
Answer: 807 + 505 = 1312 -
2. Algebra
For y = 4x³ + 18, find y when x = 3
Answer: y = 126 -
3. Geometry
Opposite = 10cm, adjacent = 16cm. Calculate the angle
Answer: 32° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 12, 44, 6, 47, 26, 18, 44
Answer: 28.1