Keystones — Bedrock
Five GCSE retrieval questions · 10 July 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 62 + 43
Answer: 62 + 43 = 105 -
2. Algebra Substitution
If x = 3, find the value of 6x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 7, 17, 10, 17, 14
Answer: 13