Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 27 + 19
Answer: 27 + 19 = 46 -
2. Algebra Substitution
If x = 3, find the value of 4x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 11, 13, 13, 22, 11
Answer: 14