Keystones — Bedrock
Five GCSE retrieval questions · 4 March 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 47 + 91
Answer: 47 + 91 = 138 -
2. Algebra Substitution
If x = 5, find the value of 2x + 3
Answer: 13 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 19, 3, 4, 12, 7
Answer: 9