Variables on both sides (Day 1 of 2)

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SWBAT solve equations with variables on both sides.

Big Idea

Let kids become the kings/queens of Algebra Land by declaring which side of the equation is Variable Land and which side is Constant Land.


10 minutes

Each day, students complete a warm-up 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.

It's incredibly important to push application to real-world contexts, especially in the midst of a fairly "procedural" unit like solving equations.  What does it actually MEAN when we solve an equation like this?  I use the warm-ups each day - which I go over meticulously while the kids are fresh - to try to keep this at the forefront of students' minds.

That's why there are a series of application like algebra problems (like #2) that are important to make sure you go over in detail.  I like using these problems to model the commutative property, also - there is more than one correct way to represent this equation.


Play of the Day

40 minutes


10 minutes


15 minutes

The homework includes questions related to this lesson, as well as spiraled review.  I also provide answers to the problems on page 2.