Which One Doesn’t Belong?

No, really…which one doesn’t? Let’s fight about it! Okay, let’s respectfully justify our thinking as to why one domino might be ruled out of this group. I dare you. I’ll start, I pick top left. The double 4 doesn’t belong because it’s the only domino in this group with an even number of pips when the two sides are combined.

It’s that simple…take a stab at it-reply in the comment section (below) with your position and reasoning. Then consider how this mathematically productive routine supports Math Practice 3 :Construct viable arguments and critique the reasoning of others. Here are some more to play with: WODB 



3 thoughts on “Which One Doesn’t Belong?

  1. I agree with you, but not for the same reason. It’s the only one with an even number of pips. Also, I just learned what pips are. Also, I like this interactive nature of this blog entry. Also, way to help me be smarter about math standards in a quick way.


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s