Keystones — Bedrock
Five GCSE retrieval questions · 11 December 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 78 + 25
Answer: 78 + 25 = 103 -
2. Algebra Substitution
If x = 2, find the value of 2x + 11
Answer: 15 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 17, 15, 13
Answer: 15