I LOVE "Which One Doesn't Belong" tasks...can you justify which one doesn't belong? Can your students?

### Math Talks: Which One Doesn't Belong

Which One Doesn't Belong is a great way to help your mathematicians think critically while differentiating your math instruction. Print or display each slide to inspect with your students during your math workshop. You will be amazed at all the reasons they can find as to why one of the pictures on ...

### Math Equals Love | Math Teaching Blog by Sarah Carter

Today, I just want to write a quick post about a #MTBoS resource that I hope everyone is already familiar with. I used it a couple of weeks ago in my classroom, and the experience was such a fun, positive one! The resource is Which One Doesn't Belong? The idea is that there are four pictures. Each of the pictures could be the answer to Which One Doesn't Belong? Your job is to find a reason why each picture doesn't belong. I used this as one of my Figure It Out! Fridays a little while back. I…

### WODB? Math (@WODBMath)

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### Building a better shapes book [Which One Doesn't Belong?] | Talking Math With Your Kids

IMPORTANT NOTE: The moment alluded to below has arrived! Which One Doesn't Belong? is now available from Stenhouse as a student book (awesome for home reading, too!) and a teacher guide. As a result, I have removed all links to the version I was previously distributing free. --- There are many shapes books…

### Math Poetry Project: "Which one doesn't belong?" [Part 1a]

I'm working informally but collaboratively with some math teacher friends to develop a math poetry project. My goal is to provide K-6 kids w...

### Using WODB to get Students to Think Critically

Use WODB which one doesn't belong in your primary classroom to get students to think critically. These are great for math warm ups because they are visual and thought provoking and there is no right answer. Students have to justify which one doesn't belong. They can be used in any grade but I share how I use them in first grade.

### WODB - Online Class

I was asked by my colleague, Grace Twietmeyer, to guest lecture for her online Geometry class. I immediately said yes because I never say n...

### WODB? Math (@WODBMath)

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### Math Poetry Project: "Which one doesn't belong?" [Part 1b]

This is the second part of the activity I did using Christopher Danielson's new book project "Which one doesn't belong?" It's the math provocation/experience in a new math poetry project I'm developing. If you haven't already, make sure you read the first conversation I had with this 3/4 class here. You're gonna' want to because you will get to see me exert considerable energy helping the kids develop a concept of sameness and then nudging them on to similarity. This post is gravy compared…

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