Keystones — Bedrock
Five GCSE retrieval questions · 3 November 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 65 + 45
Answer: 65 + 45 = 110 -
2. Algebra Substitution
If x = 5, find the value of 5x + 12
Answer: 37 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 8, 4, 15, 7, 16
Answer: 10