Keystones — Bedrock
Five GCSE retrieval questions · 5 October 2012 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 45 + 48
Answer: 45 + 48 = 93 -
2. Algebra Substitution
If x = 3, find the value of 2x + 6
Answer: 12 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 9, 11, 4
Answer: 8