Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 48 + 37
Answer: 48 + 37 = 85 -
2. Algebra Substitution
If x = 5, find the value of 4x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 12, 12, 23, 5
Answer: 13