Keystones — Bedrock
Five GCSE retrieval questions · 11 May 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 18 + 27
Answer: 18 + 27 = 45 -
2. Algebra Substitution
If x = 6, find the value of 2x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 15, 6, 9, 14, 6
Answer: 10