Keystones — Cornerstone
Five GCSE retrieval questions · 23 June 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 720 + 175
Answer: 720 + 175 = 895 -
2. Algebra
Simplify: 2x + 3x
Answer: 5x -
3. Geometry
Opposite = 10cm, hypotenuse = 14.cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 24:12:8
Answer: 6:3:2 -
5. Statistics
Find the mean of: 7, 10, 16, 13, 7
Answer: 10.6