Keystones — Bedrock
Five GCSE retrieval questions · 1 January 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 28 + 45
Answer: 28 + 45 = 73 -
2. Algebra Substitution
If x = 8, find the value of 5x + 9
Answer: 49 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 13, 12, 2, 13
Answer: 10