More missing number problems: subtraction (1C4)
More missing number problems: subtraction.
5 pages
More missing number problems: subtraction (1C4)
More missing number problems: subtraction.
![Preview of 'More missing number problems: subtraction (1C4)'](https://content.urbrainy.com/4660/1261575024/thumbnail_xlarge/6359_1.png)
More missing number problems: subtraction.
More missing number problems: subtraction.