Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 38 + 38
Answer: 38 + 38 = 76 -
2. Algebra
Simplify: 2x + 8x
Answer: 10x -
3. Geometry
Opposite = 9cm, hypotenuse = 12.7cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics
Find the mean of: 15, 8, 11, 5, 6
Answer: 9