Keystones — Bedrock
Five GCSE retrieval questions · 18 December 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 37 + 73
Answer: 37 + 73 = 110 -
2. Algebra Substitution
If x = 10, find the value of 2x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 13, 11, 3
Answer: 9