Keystones — Bedrock
Five GCSE retrieval questions · 10 May 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 31 + 14
Answer: 31 + 14 = 45 -
2. Algebra Substitution
If x = 8, find the value of 2x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 10, 22, 13
Answer: 15