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Looking for a fun hands-on real number system activity to help students learn the difference between integers and irrational numbers? Activities for Visualizing the Real Numbers Real Number System Nesting Boxes Build a set of DIY nesting boxes to help illustrate the real number system to students. When the integer box fits inside the rational …

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I created this set of real number system cards several years ago to give my Pre-Calculus students much-needed practice determining which subsets of the real number system a number belongs to. This was one of our first lessons of the year, and it was a great exercise in understanding definitions, practicing mathematical precision, and using …

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I’m excited to show off my real number system nesting boxes to you today. I hope everybody is having a fabulous Monday!  I’ve really been enjoying my last Monday of summer.  And tomorrow, I will celebrate my last day of summer.  Teachers report on Wednesday for inservice, and we will have students in our classrooms …

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On the fourth day of school, I assigned my college algebra students the Real Number Line Project. My inspiration came from Matt Coaty’s Real Number Line Project. I even stole the name of the project.  The previous day, I had introduced the real number system.  We spent an entire class period classifying numbers as natural …

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