Keystones — Bedrock
Five GCSE retrieval questions · 15 February 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 31 + 18
Answer: 31 + 18 = 49 -
2. Algebra Substitution
If x = 7, find the value of 7x + 8
Answer: 57 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 4, 18, 3, 3
Answer: 7