Missing number problems: subtraction (1C4)
Missing number problems on subtraction.
5 pages
Missing number problems: subtraction (1C4)
Missing number problems on subtraction.
![Preview of 'Missing number problems: subtraction (1C4)'](https://content.urbrainy.com/4659/311294899/thumbnail_xlarge/6358_1.png)
Missing number problems on subtraction.
Missing number problems on subtraction.