Keystones — Bedrock
Five GCSE retrieval questions · 4 May 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 40 + 10
Answer: 40 + 10 = 50 -
2. Algebra Substitution
If x = 8, find the value of 5x + 10
Answer: 50 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 19, 2, 4, 18, 12
Answer: 11