Keystones — Bedrock
Five GCSE retrieval questions · 3 October 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 12 + 47
Answer: 12 + 47 = 59 -
2. Algebra Substitution
If x = 10, find the value of 4x + 8
Answer: 48 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 20, 10, 5, 5
Answer: 10