Keystones — Bedrock
Five GCSE retrieval questions · 7 June 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 41 + 87
Answer: 41 + 87 = 128 -
2. Algebra Substitution
If x = 7, find the value of 4x + 5
Answer: 33 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 2, 13, 23, 7, 20
Answer: 13