How is algebra introduced into real-world contexts in Module 4?

Algebra is introduced into real-world contexts in Module 4 by applying algebraic equations to solve practical problems, such as budgeting. This method allows students to see the relevance of algebra in everyday situations, making it more engaging and meaningful. When students learn to use algebra in contexts they can relate to, such as managing money, planning for future expenses, or even evaluating rates of change, they develop a deeper understanding of the concepts. This practical application not only reinforces their learning but also equips them with valuable skills they can use outside the classroom. The other options suggest a lack of connection to real-life applications, focusing instead on abstract theories or historical information, which does not facilitate the integration of algebra into practical scenarios.