Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 29 + 20
Answer: 29 + 20 = 49 -
2. Algebra Substitution
If x = 8, find the value of 5x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 3, 16, 8, 17, 11
Answer: 11