Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 28 + 45
Answer: 28 + 45 = 73 -
2. Algebra Substitution
If x = 6, find the value of 4x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 17, 12, 7
Answer: 12