Unit 5

Section A: Interpreting Negative Numbers

• Lesson 1: Interpreting Negative Numbers

  Let’s review what we know about signed numbers.

  • Lesson Activities
  • Practice Problems

Section B: Adding and Subtracting Rational Numbers

• Lesson 2: Changing Temperatures

  Let’s add signed numbers.

  • Lesson Activities
  • Practice Problems

• Lesson 3: Changing Elevation

  Let’s solve problems about adding signed numbers.

  • Lesson Activities
  • Practice Problems

• Lesson 4: Money and Debts

  Let’s apply what we know about signed numbers to money.

  • Lesson Activities
  • Practice Problems

• Lesson 5: Representing Subtraction

  Let’s subtract signed numbers.

  • Lesson Activities
  • Practice Problems

• Lesson 6: Subtracting Rational Numbers

  Let’s bring addition and subtraction together.

  • Lesson Activities
  • Practice Problems

• Lesson 7: Adding and Subtracting to Solve Problems

  Let’s apply what we know about signed numbers to different situations.

  • Lesson Activities
  • Practice Problems

Section C: Multiplying and Dividing Rational Numbers

• Lesson 8: Position, Speed, and Direction

  Let’s use signed numbers to represent movement.

  • Lesson Activities
  • Practice Problems

• Lesson 9: Multiplying Rational Numbers

  Let’s multiply signed numbers.

  • Lesson Activities
  • Practice Problems

• Lesson 10: Multiply!

  Let’s get more practice multiplying signed numbers.

  • Lesson Activities
  • Practice Problems

• Lesson 11: Dividing Rational Numbers

  Let’s divide signed numbers.

  • Lesson Activities
  • Practice Problems
• Optional

  Lesson 12: Negative Rates

  Let’s apply what we know about signed numbers.

  • Lesson Activities
  • Practice Problems

Section D: Four Operations with Rational Numbers

• Lesson 13: Expressions with Rational Numbers

  Let’s develop our signed number sense.

  • Lesson Activities
  • Practice Problems

• Lesson 14: Solving Problems with Rational Numbers

  Let’s use all four operations with signed numbers to solve problems.

  • Lesson Activities
  • Practice Problems

Section E: Solving Equations When There Are Negative Numbers

• Lesson 15: Solving Equations with Rational Numbers

  Let’s solve equations that include negative values.

  • Lesson Activities
  • Practice Problems
• Optional

  Lesson 16: Representing Contexts with Equations

  Let’s write equations that represent situations.

  • Lesson Activities
  • Practice Problems

Section F: Let’s Put It to Work

• Optional

  Lesson 17: The Stock Market

  Let’s learn about the Stock Market.

  • Lesson Activities