Lesson 1-1 (Number Opposites)

Lesson 1-2 (Converting Fractions to Decimals)

Lesson 1-2 (Converting a Fraction to Repeating Decimal)

Lesson 1-3 (Adding Integers on the Number Line)

Lesson 1-3 (Adding Integers with Different Signs)

Lesson 1-4 (Subtracting Integers)

Lesson 1-4 (Negative Number Word Problems)

Lesson 1-5 (Adding Rational Numbers)

Lesson 1-5 (Subtracting Rational Numbers)

Lesson 1-5 (Adding and Subtracting Fractions)

Lesson 1-5 (Adding and Subtracting Decimals)

Lesson 1-5 (Adding Mixed Numbers)

Lesson 1-5 (Subtracting Mixed Numbers)

Lesson 1-6 (Multiplying Integers)

Lesson 1-7 (Multiplying Positive and Negative Fractions)

Lesson 1-7 (Multiplying Decimals)

Lesson 1-7 (Multiplying Mixed Numbers)

Lesson 1-8 (Dividing Integers)

Lesson 1-9 (Dividing Decimals)

Lesson 1-9 (Dividing Fractions)

Lesson 1-9 (Dividing Mixed Numbers)