Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 37 + 23
Answer: 37 + 23 = 60 -
2. Algebra Substitution
If x = 2, find the value of 6x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 14, 6, 20, 12
Answer: 13