Keystones — Bedrock
Five GCSE retrieval questions · 25 March 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 20 + 16
Answer: 20 + 16 = 36 -
2. Algebra Substitution
If x = 7, find the value of 6x + 5
Answer: 47 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 3, 11, 6, 12, 8
Answer: 8