Keystones — Bedrock
Five GCSE retrieval questions · 22 April 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 23 + 42
Answer: 23 + 42 = 65 -
2. Algebra Substitution
If x = 3, find the value of 8x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 10, 7, 16, 11
Answer: 11