Keystones — Bedrock
Five GCSE retrieval questions · 27 January 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 48 + 37
Answer: 48 + 37 = 85 -
2. Algebra Substitution
If x = 3, find the value of 4x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 8, 1, 6
Answer: 5