One Variable Inequalities INB Pages

02 November 2016
My Algebra 1 students struggled with inequalities a lot more than I thought they would. When I taught this unit, I spent time solving one and two step inequalities before I jumped in to compound and absolute value inequalities.  They thought the one and two step inequalities were super easy, so I feel like I wasted time and could have gone faster through those concepts.  Now I know for next year…

Typically on review days, I do not have students add to their notebooks.  However, I had two awesome pages that summarized everything they had learned.  So, I had them add those two pages to their notebooks on the review day.

The first page was from Math=Love.  I used this page exactly as she did.  I didn’t insist that my students always write the variable first in the inequality.  At the beginning of the unit, we talked about how “x > 5” is the same as “5 < x”.  I want them to get used to seeing things both ways.  So, step 2 on the “to-do list” wasn’t necessary.

Solving and Graphing Inequalities in One Variable Interactive Notebook Page

Then, I used a page from Math Dyal.  She’s been inspired by Doodle Notes and created this page for students to doodle and color as they worked through the problems.  I liked the word problems that were included.

Solving and Graphing Inequalities in One Variable Interactive Notebook Page


In Algebra 1, I’ve started including more pages where students write in practice problems.  I’m loving it and I’m wondering why I stopped doing it earlier this year.  Anyway, as I was working through the compound inequality practice problems that I had them include, I had an epiphany.  Lots of my students were having trouble with the “and” inequalities.  They were only adding/subtracting from two of the parts of the inequality.  I had them write the inequalities separately, but it just felt strange.  So, I drew columns with a highlighter.  I explained that they had to add/subtract to EVERY part of the inequality.  The columns helped them see the three distinct parts so much better.  Next year, I’m going to start out explaining it this way.

Compound Inequalities Interactive Notebook Practice and Teaching Idea

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