Keystones — Bedrock
Five GCSE retrieval questions · 29 September 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 57 + 29
Answer: 57 + 29 = 86 -
2. Algebra Substitution
If x = 8, find the value of 5x + 8
Answer: 48 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 14, 15, 4
Answer: 11