Keystones — Bedrock
Five GCSE retrieval questions · 9 January 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 40 + 42
Answer: 40 + 42 = 82 -
2. Algebra Substitution
If x = 10, find the value of 4x + 12
Answer: 52 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 6, 15, 18
Answer: 13