Keystones — Bedrock
Five GCSE retrieval questions · 12 June 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 23 + 71
Answer: 23 + 71 = 94 -
2. Algebra Substitution
If x = 10, find the value of 6x + 8
Answer: 68 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 5, 17, 20
Answer: 14