Elimination 1 - add or subtract only

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SWBAT solve linear systems of equations using elimination, Day 1.

Big Idea

Why does elimination work? Use sensitive nieces, peppermint bark, and gingerbread men to illustrate this mathematical concept.


10 minutes

Today's Warmup reviews the previous day's 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


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15 minutes

HW66 Elimination 1 includes problems that consist of problems related to this lesson, as well as spiraled review.  I also give the kids the answers to the problems.