Keystones — Cornerstone
Five GCSE retrieval questions · 13 July 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: 25 + 48
Answer: 25 + 48 = 73 -
2. Algebra
For y = x³ + 13, calculate y when x = 3
Answer: y = 40 -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify: 4:12:8
Answer: 1:3:2 -
5. Statistics
Calculate the mean of: 36, 11, 26, 22, 22, 22
Answer: 23.2