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Lesson 4.5: State Review


Lesson Materials

📖 Link Materials to Class Agenda:


Key Points

  • 👋 Welcome & Do Now (10) :

    • Briefly welcome students and introduce the day's objectives.
    • Conduct an icebreaker activity (details to be added by the lead volunteer).
    • Create a short Do Now activity that meets students' needs. (optional)

  • 🗃️ State Review (15) :

    • Introduce the concept of state in React, explaining it as an object used to store data that influences component behavior.
    • Highlight the importance of state in dynamic applications.
    • Use simple components (e.g., Location Component, Traffic Signal Component) to illustrate how state is structured and its role in defining component behavior.
    • Encourage students to discuss why state is essential and how it helps describe the application's current condition.
    • Explain how user interactions affect state changes and necessitate component re-renders.
    • Clarify the difference between props and state, emphasizing that props are passed to components and immutable, whereas state is managed within components and mutable.

  • 💻 Practice with State (20) :

    • Dive deeper into managing local state using the useState hook, explaining syntax, functionality, and usage through examples.
    • Guide students through coding exercises to reinforce their understanding of state management in React.
    • Consider varying the format based on class size and student preferences (individual vs. group work).

  • ⏳ Break (10)

  • 💻 Project Work Time (60) :

    • Start with a team scrum to discuss goals and tasks.
    • Allocate time for coding, with periodic check-ins to reassess progress.
    • Emphasize the use of documentation and online resources for troubleshooting and learning.

  • 👋 Closing (5) :

    • Direct students to the Exit Ticket in the Class Agenda.
    • Ensure they submit before leaving.

Common Misconceptions