So I know most would assume that by 9th grade a number line is no longer needed. And that's fine make your assumptions, however it still is. As we work with positive and negative integers I find that my students very much struggle with how to reconcile these problems in their heads. I had read on Sarah Hagan's blog about using the number line last year and then at a PD (Professional Development) this summer, I was convinced that this was something I needed in my classroom. So my dear, sweet momma put my number line up in my room after working all night one night helping mommas with their new babies. It's a little crooked but but every time I look at it, I am thankful to have a family to support me and my classroom. Anyways, I digress. I have not yet included the number line for my kiddos in their notebooks, I need paper and keep forgetting to get it. But I did include instructions on how to use the number line. We talked about how to use the number line when solving their problems and how there is no shame in using the tools that are available to them. The only shame comes when you don't use those tools and don't succeed because of it (we talk a lot about life and overcoming obstacles in my class as well!). We also worked on Integer Operations. And this is the area where I see my kids struggle the most and my biggest reason for using the number lines. Adding and subtracting positive and negative numbers seems to be a huge struggle so I'm hoping by reviewing this at the beginning of the year instead of next week after we struggle thru equations will help!
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