My Most Popular Posts of 2016

Here they are:


 Thanks for reading!

 I used elink to make the page I embedded above. It looks pretty cool, doesn't it?

 PS I know I need to update some of these comparison posts. That is on my to-do list!

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Add 'Em Up: A New Strategy for Me

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As is often the case at this time of year, the winter weather is breaking up my lessons. I introduced stoichiometry, or what I call reaction math, on December 13 but some snow days and semester exams put it on the shelf almost immediately. Now that we are back to school, I needed a way to help students review what they began almost one month ago.  I am often inspired by the tweets and blogging of Sarah Carter . I haven't met Sarah, but I know she teaches math and chemistry in Oklahoma. I read her detailed blog posts where she generously shares many great ideas with great interest. Sarah has written about a favorite strategy called Add 'Em Up and her posts were the inspiration for this lesson. In Add 'Em Up, a sheet is created with four math problems. When the answers are added, they should equal a sum that is provided. If the answers do not equal the sum, students know they need to look for, and correct, their errors. With my teaching partner, I created an Add 'Em Up a...
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Foster Teamwork with Classkick

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Lately I have been doing a lot of talking about Classkick . In August the webtool version of this amazing app went live and now schools without iPads can take advantage of this fun and useful tool in their classrooms. As a result, I have spread the word at a couple of local conferences and in some PLCs in my district. If you aren't familiar with Classkick, take a look at some of my previous posts to read more about it . Today I will describe a way to use it for group work. I was using Classkick in my classroom last year and stumbled upon a feature that created a new avenue for teamwork. When students use a code to sign in to an assignment, they type their name and get added to a roster. I had two Mikes in class last year, so I told them - the first time we used Classkick - to sign in as Mike J and Mike T. Fast forward to March and we were working on an assignment. They forgot about their last initials and both signed in just as "Mike." When they did this, they both star...
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The Choice is Yours: Differentiating the Math of Chemistry

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Unlike many chemistry teachers, I don't teach stoichiometry (the math of chemical reactions) all in one unit. I introduce the mole early in the year with atomic structure and cycle back to the mole concept in every unit I teach. Today I took my second pass at reaction math, incorporating what the students have learned about gas laws in our current unit. Some teachers will tell you that if you don't show students how to solve these problems, they won't be able to. I disagree with that and have a couple of years of differentiated lessons to back me up. When the bell rang, I asked all my students to stand up and come to one side of my classroom. Once they were there, I briefly explained the kind of problems we would solve. Then I described three approaches they could choose from:  Sit at a table with other people and talk about ways to solve the problems (or ignore everyone and forge ahead without conversation).  Sit at a table with an iPad loaded with a presentation that will...
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