Keystones — Bedrock
Five GCSE retrieval questions · 26 September 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 34 + 44
Answer: 34 + 44 = 78 -
2. Algebra Substitution
If x = 10, find the value of 8x + 11
Answer: 91 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 20, 19, 10, 3
Answer: 13