Video# Interpreting numeric expressions example (Full video)

## Supporting grades: 7

Khan Academy

Description: Sal chooses the correct interpretation of the integer expression 3 + (-7). Well before I even read this, let's just think about what's happening in one plus six on the number line. Now six to the left of one, in this type of a number line, which is the standard number line, where to the right is positive and to the left is negative. Let's keep going.

You must log inorsign upif you want to:*

*Teacher Advisor is 100% free.