Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 27 + 94
Answer: 27 + 94 = 121 -
2. Algebra Substitution
If x = 5, find the value of 5x + 6
Answer: 31 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 11, 11, 2
Answer: 8