Keystones — Bedrock
Five GCSE retrieval questions · 29 November 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 20 + 60
Answer: 20 + 60 = 80 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 13, 8, 18, 5
Answer: 11