Keystones — Bedrock
Five GCSE retrieval questions · 27 August 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 31 + 39
Answer: 31 + 39 = 70 -
2. Algebra Substitution
If x = 5, find the value of 7x + 4
Answer: 39 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 10, 5, 2, 3
Answer: 5