Add a single digit to a teen number with totals up to 20 (number line)
Add a single number to a teen with answers up to 20, with the help of a number line.
Add a single digit to a teen number with totals up to 20 (number line)
Add a single number to a teen with answers up to 20, with the help of a number line.
![Preview of 'Add a single digit to a teen number with totals up to 20 (number line)'](https://content.urbrainy.com/6715/426329379/thumbnail_xlarge/add-a-single-digit-to-a-teen-number-with-totals-up-to-20-number-line-1767445036.png)