Keystones — Cornerstone
Five GCSE retrieval questions · 12 October 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: 482 + 825
Answer: 482 + 825 = 1307 -
2. Algebra
For y = x³, find y when x = 3
Answer: y = 27 -
3. Geometry
Opposite = 16cm, adjacent = 14cm. Calculate the angle
Answer: 48.8° -
4. Ratio
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics
Find the mean of: 14, 7, 11
Answer: 10.666666666667