Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: 18 + 20
Answer: 18 + 20 = 38 -
2. Algebra
Simplify: 6x + 8x
Answer: 14x -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics
Find the mean of: 3, 2, 20, 8
Answer: 8.25