This lesson explains how to write linear equations that model situations.

# modeling

# Adding Integers with Different Signs Using Color Counters

This video explains how to add integers with different signs using color counters.

# Adding Integers with the Same Sign Using Color Counters

This video explains how to add integers with same sign using color counters.

# Ex: Exponential Growth Regression Model (Investment Account)

This video provides an example of how to perform exponential regression on the TI84 graphing calculator and answers a variety of related questions.

# Ex: Exponential Decay Regression Model (Declining Population)

# Modeling Multiplying Fractions Using Copies

This video models fraction multiplication by using idea of copies.

# Understanding Dividing by a Fraction

This video provides several examples to deepen an understanding of what it means to divide by a fraction. It also shows 2 methods for dividing by a fraction.