Keystones — Bedrock
Five GCSE retrieval questions · 11 March 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 49 + 16
Answer: 49 + 16 = 65 -
2. Algebra Substitution
If x = 2, find the value of 6x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 15, 19, 1, 5, 10
Answer: 10