Keystones — Bedrock
Five GCSE retrieval questions · 9 December 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 24 + 33
Answer: 24 + 33 = 57 -
2. Algebra Substitution
If x = 5, find the value of 4x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 11, 12, 9
Answer: 10