Unit 4

1. The Set of Rational Numbers

1.1. Uses of Rational Numbers

1.2. Equivalent or Equal Fractions

1.3. Simplifying Fractions

1.4. Equality of Fractions

2. Nonterminating Decimals

2.1. Repeating Decimals

2.2. Writing Repeating Decimals as Fractions.

3. Addition, Subtraction, and Estimation with Rational Numbers

3.1. LCM

3.2. Estimation with Rational Numbers

4. Multiplication and Division of Rational Numbers

4.1. Multiplication of Rational Numbers

4.2. Division of Rational Numbers

5. Introduction and Operations on Decimals

5.1. Terminating Decimals

5.2. Ordering Terminating Decimals

5.3. Scientific Notation.

5.4. Rounding Decimals

5.5. Rounding Decimals