Adding whole tens
Use a number line to help add these whole tens.
5 pages
Adding whole tens
Use a number line to help add these whole tens.
![Preview of 'Adding whole tens'](https://content.urbrainy.com/859/1765991838/thumbnail_xlarge/8761_1.png)
Use a number line to help add these whole tens.
Use a number line to help add these whole tens.