Keystones — Bedrock
Five GCSE retrieval questions · 28 May 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 48 + 18
Answer: 48 + 18 = 66 -
2. Algebra Substitution
If x = 6, find the value of 5x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 12, 20, 10, 6
Answer: 12