Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 77 + 60
Answer: 77 + 60 = 137 -
2. Algebra Substitution
If x = 8, find the value of 4x + 12
Answer: 44 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 8, 5, 18, 22, 2
Answer: 11