Keystones — Bedrock
Five GCSE retrieval questions · 3 March 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 55 + 81
Answer: 55 + 81 = 136 -
2. Algebra Substitution
If x = 4, find the value of 5x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 11, 3, 12, 14
Answer: 10