Section A: Negative Numbers and Absolute Value
Lesson 1: Positive and Negative Numbers
Let’s explore how we represent temperatures and elevations.
Lesson 2: Comparing Positive and Negative Numbers
Let’s compare numbers on the number line.
Lesson 3: Ordering Rational Numbers
Let’s order rational numbers.
Lesson 4: Absolute Value of Numbers
Let’s explore distances from zero more closely.
Lesson 5: Comparing Numbers and Distance from Zero
Let’s use absolute value and negative numbers to think about elevation.
Section B: Adding and Subtracting Rational Numbers
Lesson 6: Changing Temperatures
Let’s add signed numbers.
Lesson 7: Changing Elevation
Let’s solve problems about adding signed numbers.
Lesson 8: Money and Debts
Let’s apply what we know about signed numbers to money.
Lesson 9: Representing Subtraction
Let’s subtract signed numbers.
Lesson 10: Subtracting Rational Numbers
Let’s bring addition and subtraction together.
Section C: The Coordinate Plane
Lesson 11: Constructing the Coordinate Plane
Let’s explore and extend the coordinate plane.
Lesson 12: Interpreting Points on a Coordinate Plane
Let’s examine what points on the coordinate plane can tell us.
Lesson 13: Distances and Shapes on the Coordinate Plane
Let’s explore distance on the coordinate plane.
Section D: Multiplying and Dividing Rational Numbers
Lesson 14: Position, Speed, Direction
Let’s use signed numbers to represent movement.
Lesson 15: Multiply!
Let’s get more practice multiplying signed numbers.
Lesson 16: Dividing Rational Numbers
Let’s divide signed numbers.
Lesson 17: Negative Rates
Let’s apply what we know about signed numbers.
Section E: Equations with Rational Numbers
Lesson 18: Expressions with Rational Numbers
Let’s develop our signed number sense.
Lesson 19: Solving Equations with Rational Numbers
Let’s solve equations that include negative values.
Lesson 20: Representing Contexts with Equations
Let’s write equations that represent situations.
Section F: Let’s Put It to Work
Lesson 21: Drawing on a Coordinate Plane
Let’s draw on the coordinate plane.
Lesson 22: The Stock Market
Let’s learn about the Stock Market.