Keystones — Bedrock
Five GCSE retrieval questions · 12 December 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 49 + 36
Answer: 49 + 36 = 85 -
2. Algebra Substitution
If x = 9, find the value of 2x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 3, 5, 10, 6
Answer: 6