Chapter 2: Proportional Reasoning and Probability

In this chapter:

  • Use proportional reasoning to understand problem situations
  • Learn what rates are and use them to make predictions
  • Study how quantities vary directly and inversely
  • Use equations and graphs to represent variation
  • Solve real-world problems using variation
  • Review the rules for order of operations
  • Describe number tricks using algebraic expressions
  • Solve equations using the undoing method

For student resources, click on the items in the box at left.