Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 30 + 43
Answer: 30 + 43 = 73 -
2. Algebra Substitution
If x = 2, find the value of 5x + 7
Answer: 17 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 13, 2, 18
Answer: 11