Keystones — Bedrock
Five GCSE retrieval questions · 12 July 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 84 + 72
Answer: 84 + 72 = 156 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 8, 5, 15, 4, 3
Answer: 7