Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 50 + 22
Answer: 50 + 22 = 72 -
2. Algebra Substitution
If x = 7, find the value of 2x + 5
Answer: 19 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 8, 2, 11
Answer: 7