Integer Operations with a Flexible Number Line

Integer operations manipulative for adding and subtracting negative numbers

It really doesn't seem to matter whether a student is in 7th grade or in 12th grade, integer operations are always tricky. When I taught Algebra 2 in Boston, working with negative integers was a major sticking point when we'd be solving equations. Students would get all the way to the end of a difficult equation... and this would happen:

Geometry Quick Check

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Now that testing is finally over and we are in the final throws of the school year, what sorts of activities do you do to keep kids engaged? In my last post, teachers offered their tips with links to some of the resources they use. There were a lot of projects, including an amazing link to free NASA activities!

Keeping Students Engaged at the End of the School Year - ideas from teachers

Now that we're in the final descent to summer, how do we keep students engaged while also keeping our sanity? I asked this question over on Facebook and got some great answers from teachers! The're listed below, along with any resources the teachers mentioned working well. Projects were mentioned a lot along with topics that may not be captured in the standards but are engaging, fun and worth learning. What things do you do at the end of the year? What would you add to this list?

“I have been using Kahoot! and more recently Quizizz. These games can be used for teaching new things or as a review/assessment. It changes it up - you can use four laptops as a station, or have whole class instruction, once or twice a week. It gives students something to look forward to. 

Quizizz sends a report each time to your email and you can send it to parents. I just got an email on how my classes fared against another school in the district on an activity. I thought that was cool. Students competing against each other with incentives keeps them focused. It’s not always perfect, but my stress level has gone down.”  --Teacher Tim LeMere

Teaching Linear Equations

As a current Algebra 2 teacher, I'll be reminiscing a bit in this post back to my days teaching Algebra 1. Algebra 2 is great. It's so abstract, stretches student imaginations, and I truly love teaching it. But if I'm really being honest, Algebra 1 is the most important math. It's the first time students are introduced to 2 variable equations, and if it sticks then, the concept will stick all the way through high school and into college. There are other great things about Algebra 1, but this one to me stands out as #1.

In this post I'll be highlighting some fun ways to teach and practice linear equations. First up, a set of linear equations flippables for the slope, slope-intercept and point-slope equations to help students remember each of the equations.

slope intercept flip book for an algebra interactive notebook