Keystones — Cornerstone
Five GCSE retrieval questions · 7 August 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 65 + 75
Answer: 65 + 75 = 140 -
2. Algebra
Solve: 8x = 32
Answer: x = 4 -
3. Geometry
Opposite = 20cm, adjacent = 12cm. Calculate the angle
Answer: 59° -
4. Ratio
Simplify: 8:24:8
Answer: 1:3:1 -
5. Statistics
Find the mean of: 3, 12, 6
Answer: 7