Keystones — Bedrock
Five GCSE retrieval questions · 7 May 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 52 + 20
Answer: 52 + 20 = 72 -
2. Algebra
Simplify: 3x + 7x
Answer: 10x -
3. Geometry
Opposite = 14cm, hypotenuse = 16.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics
Find the mean of: 16, 16, 17, 10
Answer: 14.75