Keystones — Bedrock
Five GCSE retrieval questions · 16 August 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 29 + 10
Answer: 29 + 10 = 39 -
2. Algebra Substitution
If x = 6, find the value of 7x + 8
Answer: 50 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 15, 16, 20, 17, 7
Answer: 15