Keystones — Bedrock
Five GCSE retrieval questions · 21 November 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 17 + 48
Answer: 17 + 48 = 65 -
2. Algebra Substitution
If x = 8, find the value of 7x + 11
Answer: 67 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 4, 18
Answer: 8