Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 47 + 41
Answer: 47 + 41 = 88 -
2. Algebra
Simplify: 3x + 7x
Answer: 10x -
3. Geometry
Opposite = 12cm, hypotenuse = 13.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics
Find the mean of: 13, 12, 20, 15
Answer: 15