Keystones — Bedrock
Five GCSE retrieval questions · 20 September 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 30 + 37
Answer: 30 + 37 = 67 -
2. Algebra Substitution
If x = 7, find the value of 4x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 18, 2, 11, 17, 7
Answer: 11