Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 7.4 + 6.9
Answer: 7.4 + 6.9 = 14.3 -
2. Algebra
Factorise: 15x + 20
Answer: 5(3x + 4) -
3. Geometry
Opposite = 11cm, hypotenuse = 22cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 10% of 50
Answer: 5 -
5. Statistics
Find the range of: 30, 12, 16, 30, 25
Answer: 18