Keystones — Bedrock
Five GCSE retrieval questions · 25 November 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 45 + 45
Answer: 45 + 45 = 90 -
2. Algebra Substitution
If x = 10, find the value of 4x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 16, 17, 3
Answer: 12