Functions Lesson Plan for 8th Grade Example Students

Topic: functions

Objectives & Outcomes

  • By the end of this lesson, students will be able to identify functions using function notation, determine the domain and range of functions, and use functions to solve real-world problems.

Materials

  • Whiteboard and markers
  • Handouts with examples of functions in function notation
  • Calculators

Warm-up

  • Ask students to think of a function they have seen before.
  • Write down their answers on the board.
  • Ask students to share their answers with a partner.
  • Encourage them to explain how they determined the function was a function.
  • Once all answers have been shared, discuss as a class.

Direct Instruction

  • Introduce the term "function."
  • Define a function as a relationship between two variables in which each value of one variable is associated with exactly one value of the other variable.
  • Provide examples of functions using function notation.
  • Discuss how to identify functions using function notation.
  • Use the handouts to show examples of functions and their corresponding function notations.
  • Have students work through a few practice problems using function notation.

Guided Practice

  • Distribute the worksheets with function notation problems.
  • Walk students through the problems, providing assistance as needed.
  • Assess comprehension by having students work through a few more practice problems on their own.
  • Review any incorrect answers and explain how to arrive at the correct solution.

Independent Practice

  • Have students work on more problems using function notation.
  • Encourage them to use their calculators if necessary.
  • Allow them to work at their own pace, checking in occasionally to assist with any difficulties.

Closure

  • Review the key points of the lesson, including the different ways to represent functions, how to use function notation, and how to interpret the variables in a function.
  • Ask students to share one thing they learned about functions today.

Assessment

  • Collect and review the worksheets the students completed during the lesson.
  • Use the presentations the students gave during independent practice as a form of assessment.
  • Use the class discussion during guided practice as a form of assessment.
  • Use the closure as a form of assessment.

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