Keystones — Bedrock
Five GCSE retrieval questions · 9 April 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 61 + 84
Answer: 61 + 84 = 145 -
2. Algebra Substitution
If x = 3, find the value of 2x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 16, 11, 15, 12, 11
Answer: 13