Keystones — Bedrock
Five GCSE retrieval questions · 16 August 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 85 + 20
Answer: 85 + 20 = 105 -
2. Algebra Substitution
If x = 4, find the value of 2x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 14, 2, 8, 8, 8
Answer: 8