Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 43 + 81
Answer: 43 + 81 = 124 -
2. Algebra Substitution
If x = 7, find the value of 5x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 2, 13, 6, 7
Answer: 7