Keystones — Bedrock
Five GCSE retrieval questions · 20 February 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 88 + 45
Answer: 88 + 45 = 133 -
2. Algebra Substitution
If x = 5, find the value of 5x + 7
Answer: 32 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 9, 7
Answer: 9