Keystones — Bedrock
Five GCSE retrieval questions · 5 June 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 16 + 27
Answer: 16 + 27 = 43 -
2. Algebra Substitution
If x = 4, find the value of 7x + 7
Answer: 35 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 19, 12, 18, 13, 3
Answer: 13