This is the outside of the foldable.
They start by drawing lines to separate the expression into a string of terms. Then they use a different color highlighter for each group and then they rewrite all the like terms together and simplify.
Kids always want to "keep going" at step 4 up there so I try to stress that however many boxes we have is how many terms there are going to be in the answer in the end.
During the school year when I have more time with the kids I would usually do this on day 2. I did an activity last year that I really liked where I gave each kid a strip of paper where they wrote an expression. Then they highlighted the terms, physically cut the expression apart, collected like terms, and then combine each group into a simplified expression. It was a really nice tactile way of doing this and I had them make posters with their examples that I hung up. It went well and it's something I plan to do again this year.
Awesome! I also linked to this page on a wiki I made for INB content. Check it out here http://inbs.pbworks.com/w/page/57340378/Algebra%201.
ReplyDelete@aanthonya
Cool! I have a list of the other ISN content I've posted about here (at the bottom) if you're interested in any more.
DeleteI really like your ideas on teaching combining like terms. I would love to see what is behind the "Distributive Property" door!
ReplyDeleteHaha I knew someone was going to ask that...i didn't put it up here because I actually didn't like what I did. I'm still trying to come up with something I love for distributing. The truth is that the top flap is empty inside! I'm working on it though so I'll be sure to post when I get something I like.
DeleteLove the foldables and the color-coding idea. I always start my combining like terms lesson talking about food. I don't know why, but that seems to really click.
ReplyDeleteThat's funny, I usually make a food analogy at some point in there too :)
DeleteOh my gosh! I love it! I use color to differentiate the different terms, like you do in step one. Then we start combining like colors. I don't know why I didn't think of adding the box part below. I am so stealing this -- just so you know. (ha ha ha)
ReplyDeleteWhat's awesome is that a kid actually thought of that! This summer I told them to draw boxes and one them asked if they should draw the boxes in the colors and I just loved it. Definitely one of those "why didn't I think of that?" type things. Steal away!
DeleteThis is great!! I will use this with my students. Color really seems to grab their attention. You are right! they want to continue after step 4.thinking the answer always must A number!
DeleteDude....I used shapes to separate the terms. All the a's in squares, all the b's in triangles, all they y's in circles, etc. The color scheme is genius! Definitely, enlighten me when you touch on distributive property. I STILL don't like how I teach that. Needs refinement.
ReplyDeleteI've seen kids do the shapes too and that totally works for some of them. I'm personally a color person so that's what I gravitate towards when possible. I'll certainly share if I come up with something great for distributing, but nothing has come to me yet :/
DeleteI love that I found this. Some of my students are struggling and this is just another way to show them. I did find an idea that did click with my students regarding powers of exponents (and understanding that x and x^2 are not "like"). PlayStation game consoles! They totally relate that a ps1 is not the same as a ps2 or a ps3! :)
ReplyDeleteJulie
Thanks for sharing, I really like this idea. It's definitely something they can relate to and know well.
DeleteWonderful post! I've been teaching middle schoolers for a decade and this is the first time I've seen separating the terms with lines. I taught the colors and shapes idea and then banged my head against the wall when the kids just got lost. This year? Those lines made ALL the difference. Success at EVERY level!
ReplyDeleteThank you so very much for sharing!
Janet
That's fantastic, I'm so glad to hear that :)
DeleteThe lines was just something random that I came up with to help them separate the terms because they forget about the keeping the signs so frequently. I have also done an activity where I have the kids physically cut the expressions apart and the lines kinda relate to that too.
For distributive property, we talk about how a teacher gives EVERY student that many pieces of candy. Since my students sit in groups of various sizes, we represent that mathematically. Right now I have group sizes of 8, 8, 7, 4, and 4. So I would say, "I am going to give each group three pieces of candy for every person in the group. I could represent that as: 3(8+8+7+4+4) How many total pieces of candy am I giving out? How else could I express this? 3x8+3x8.... " And then I give them the candy and we record this in our foldable with a picture and the written expressions. It works great!
ReplyDeleteI've seen how the distributive property is taught with combo meals. If you want 3 combo meals, you'll end up with 3 tacos and 3 drinks. If a combo meal includes a taco and drink. Found it on pinterest.
ReplyDeletedistributive property combo meal pic
ReplyDeletehttp://1.bp.blogspot.com/-6V86GER5WrM/UYe9_bjN9aI/AAAAAAAAAYk/OA2U1m044PQ/s1600/distributiveprop.jpg
Do you have what you put under the distributive property? Thanks! I love this! I'm an algebra teacher for special ed students and they are struggling!
ReplyDeleteI realize this post is 7 years old, but I do hope you're still reading comments! This is a great strategy for combining like terms. I work with a sixth grader who needs additional support. We'd started like terms yesterday, and it was hit or miss. I found this post while searching for "distributive property with combo meals." We don't have colored highlighters, but I had her draw shapes for every type of term. Drawing the lines to separate the terms is such a great idea to reinforce the importance of keeping the sign with the term. The strategy really helped her! Thank you again for a great tool.
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