Keystones — Bedrock
Five GCSE retrieval questions · 5 November 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 31 + 31
Answer: 31 + 31 = 62 -
2. Algebra Substitution
If x = 8, find the value of 6x + 5
Answer: 53 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 12, 2, 19
Answer: 11