Keystones — Bedrock
Five GCSE retrieval questions · 6 June 2011 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 27 + 32
Answer: 27 + 32 = 59 -
2. Algebra Substitution
If x = 4, find the value of 6x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 13, 5, 16, 7, 14
Answer: 11