Keystones — Bedrock
Five GCSE retrieval questions · 3 April 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 30 + 48
Answer: 30 + 48 = 78 -
2. Algebra Substitution
If x = 9, find the value of 3x + 11
Answer: 38 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 18, 3, 4, 11, 19
Answer: 11