Keystones — Bedrock
Five GCSE retrieval questions · 8 June 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 31 + 38
Answer: 31 + 38 = 69 -
2. Algebra Substitution
If x = 6, find the value of 7x + 5
Answer: 47 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 1, 3, 11
Answer: 5