Keystones — Cornerstone
Five GCSE retrieval questions · 22 May 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: 195 + 135
Answer: 195 + 135 = 330 -
2. Algebra
Simplify: 7x + 7x
Answer: 14x -
3. Geometry
Opposite = 5cm, hypotenuse = 5.8cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics
Calculate the mean of: 7, 22, 8, 49, 7, 13, 27
Answer: 19