Keystones — Bedrock
Five GCSE retrieval questions · 19 December 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 37 + 45
Answer: 37 + 45 = 82 -
2. Algebra Substitution
If x = 5, find the value of 2x + 7
Answer: 17 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 17, 6, 6, 11
Answer: 10