Section 2.1

**Click here for Complete playlist ****Rational Numbers**

**Or click one of the videos below:**

**W****riting Fractions as Decimal Numbers**

**W****riting a Decimal as a Fraction**

Section 2.2

**Click here for Complete playlist ****Adding R**ational Numbers

**Or click one of the videos below:**

**A****dding and Difference of Decimals**

**A****dding Decimals with Different Signs**

**Adding Fractions with Different Signs**

**Evaluating Expressions with Rational Numbers**

Section 2.3

**Click here for Complete playlist Subtracting R****ational Numbers by Turning into an Addition Problem**

**Or click one of the videos below:**

Section 2.4

**Click here for Complete playlist multiplying a****nd dividing rational numbers**

**Or click one of the videos below:**

**D****ividing integers to get a fraction**

**Dividing integers to get a decimal**