Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 12 + 45
Answer: 12 + 45 = 57 -
2. Algebra Substitution
If x = 5, find the value of 3x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 3, 18, 15
Answer: 12