Keystones — Bedrock
Five GCSE retrieval questions · 8 December 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 82
Answer: 39 + 82 = 121 -
2. Algebra Substitution
If x = 9, find the value of 5x + 7
Answer: 52 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 19, 15, 9
Answer: 12