Keystones — Bedrock
Five GCSE retrieval questions · 26 January 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 52 + 73
Answer: 52 + 73 = 125 -
2. Algebra Substitution
If x = 9, find the value of 6x + 12
Answer: 66 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 9, 7, 16, 8
Answer: 10