Author: Joanne Figueroa
See More
Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial
No credit card required

28 Sophia partners guarantee credit transfer.

263 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 25 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Writing Equations

Watch this video from Learn Zillion to learn how to write addition and subtraction equations. Click on the link in cite source below.

Distributive Property

This video is from learn zillion.  It show the distributive property using repeated addition. click on the link in the cite sources.