Real-life Systems 1

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SWBAT solve systems of equations modeling real-life situations (Day 1 of 5)

Big Idea

How can we use systems of linear equations in real-life systems? Get kids to understand the "break-even" point and apply algebra to the real world.


10 minutes

Each day, students complete a Warmup that usually consists of spiraling the previous day's material, in addition to older material.  Warm-up problems also sometimes extend lessons that students have encountered before to more unfamiliar contexts.

For a video narrative about how I structure each lesson, and how the warm-up fits in, click here.

Play of the Day

40 minutes


10 minutes


15 minutes

The Homework includes four problems related to this lesson, as well as one spiraled review problem.  I also give the kids the answers to the problems.