Unit 5

Expressions, equations, inequalities (one-step, one-variable only)

Understandings:

  • Solving an equation means finding the value of the variable that makes the number sentence mathematically true.
  • Solve and graph inequalities (Solving an equality means finding the values that make the number sentence mathematically true).
  • Solve word problems using inequalities and interpret the solution.

Vocabulary:

  • Equation, inequality, variable, one-variable, two-step, one-step, greater than (>), less than (<), equal to (=)

 

Learning Targets:

  • Reason about and solve on-variable equations and inequalities
  • Explain what a variable represents
  • Use variables to solve problems involving expressions
  • Use variables to represent the relationship between quantities in real-world problems
  • Explain the relationship between dependent and independent variables.
  • Analyze the relationship between dependent and independent variables.
  • Explain the relationship between rate, ratio, and percent.
  • Translate words into expressions.
  • Read expressions using appropriate mathematical terms.
  • Evaluate expressions using the order of operations.
  • Fluently add, subtract, multiply and divide multi-digit decimals