Keystones — Bedrock
Five GCSE retrieval questions · 6 February 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 58 + 53
Answer: 58 + 53 = 111 -
2. Algebra Substitution
If x = 8, find the value of 4x + 6
Answer: 38 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 18, 3, 15
Answer: 12