Understanding the Additive Inverse and Equivalent Expressions

This video tutorial explains how to write equivalent expressions by using the additive inverse. It highlights common mistakes, such as confusing the additive inverse with the additive identity, and emphasizes the importance of the number line model. The tutorial provides examples of finding additive inverses for whole numbers and fractions, and demonstrates how to use the additive inverse to simplify subtraction expressions.

Explain the difference between the additive inverse and the additive identity.

What is the result of adding a number and its additive inverse?

What is the additive inverse of five?

How do you find the additive inverse of a negative fraction, such as -2/3?

How can you rewrite the expression 5 - (-3) using the additive inverse?