Keystones — Bedrock
Five GCSE retrieval questions · 29 April 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 48 + 13
Answer: 48 + 13 = 61 -
2. Algebra Substitution
If x = 9, find the value of 8x + 5
Answer: 77 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 22, 5, 2, 3
Answer: 8