Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 32 + 57
Answer: 32 + 57 = 89 -
2. Algebra Substitution
If x = 10, find the value of 7x + 12
Answer: 82 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 21, 8, 7
Answer: 12