Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 91 + 99
Answer: 91 + 99 = 190 -
2. Algebra Substitution
If x = 3, find the value of 5x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 2, 16, 12
Answer: 10