Keystones — Bedrock
Five GCSE retrieval questions · 8 December 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 69 + 36
Answer: 69 + 36 = 105 -
2. Algebra Substitution
If x = 3, find the value of 3x + 12
Answer: 21 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 8, 24, 11, 9
Answer: 13