Keystones — Bedrock
Five GCSE retrieval questions · 17 March 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 4.7 + 3.3
Answer: 4.7 + 3.3 = 8 -
2. Algebra
Expand: 7(x + 7)
Answer: 7x + 49 -
3. Geometry
Find the area of a circle with radius 4cm
Answer: 50.27cm² -
4. Ratio
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics
Find the mean of: 9, 8, 17, 18, 15
Answer: 13.4