Set Notation Activity

It has been so long. I feel like I have so many blog related things to catch up on! I know a lot of people are wrapping up the year, but we still have a little less than a month left. I CANNOT believe it! There is still so much to teach!!

This week one of our teachers was super sick and I combined my Math 8 and Algebra classes to help with coverage. Our copier wasn’t working and most of the computers weren’t either. I decided to teach both classes different types of set notation (roster, set-builder and interval). After the typical “when are we ever going to use this in real life” questions (answer: when you’re working at an awesome job that people who suck at math aren’t qualified for…) I told my students that I often write this sentence:

HAHA. No seriously (ok I get it- Doritos Locos should be capitalized). The students thought it was hilarious and I decided to have the students write their own sentences and write the inequality in each of the three notations. They students KILLED it. Here are some of my favorites:



I made a worksheet to use next time I do this activity (and you better believe that I will!) Click on the PDF to download.


4 responses to “Set Notation Activity

  1. Buwhahaha I love your response to when are we ever going to use this. I am so stealing that! Thanks for cracking my up Kate. 🙂

  2. Love this activity! I especially appreciate the LeBron one. 🙂

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