Keystones — Bedrock
Five GCSE retrieval questions · 3 May 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 36 + 31
Answer: 36 + 31 = 67 -
2. Algebra Substitution
If x = 7, find the value of 3x + 7
Answer: 28 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 7, 10, 18, 3, 22
Answer: 12