Keystones — Bedrock
Five GCSE retrieval questions · 7 June 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 10 + 12
Answer: 10 + 12 = 22 -
2. Algebra Substitution
If x = 9, find the value of 3x + 7
Answer: 34 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 19, 11, 12
Answer: 14