Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2010 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 26 + 38
Answer: 26 + 38 = 64 -
2. Algebra Substitution
If x = 5, find the value of 2x + 10
Answer: 20 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 18, 13, 17, 12
Answer: 15