Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 75 + 95
Answer: 75 + 95 = 170 -
2. Algebra Substitution
If x = 9, find the value of 6x + 3
Answer: 57 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 8, 5, 2
Answer: 5