Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 77
Answer: 39 + 77 = 116 -
2. Algebra Substitution
If x = 2, find the value of 7x + 11
Answer: 25 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 12, 13, 7, 16
Answer: 12