Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 45 + 36
Answer: 45 + 36 = 81 -
2. Algebra Substitution
If x = 7, find the value of 5x + 12
Answer: 47 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 4, 17, 9, 3, 2
Answer: 7