Keystones — Bedrock
Five GCSE retrieval questions · 13 May 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 13 + 29
Answer: 13 + 29 = 42 -
2. Algebra Substitution
If x = 2, find the value of 2x + 9
Answer: 13 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 12, 3, 3
Answer: 6