15 Math Sites That Won’t Make You Fall Asleep

UPDATE 2/9/2021 – Since this post has collected more than 15 sites, I’ve created a Wakelet collection, which you can now find here.  The Wakelet collection will be updated with any future awesome math sites I find.

My students, especially my 4th and 5th graders, love math challenges.  If I can, I find ones that don’t show the answer so we can all try to figure them out.  I think it’s good for the students to see me struggling (and I really do!), and how I handle frustration over particularly devilish problems.  Last week, my 5th graders and I spent a good 30 minutes on this “easy” problem on Steve Miller’s Math Riddles page. (Technically, they had an excuse since they hadn’t exactly learned the math skill needed to solve the problem – yet.)

If you are looking for some unique math problems that will feel more like brainteasers than standardized test practice, here are some sites that I haven’t mentioned before:

And here are some that bear repeating (*sites include activities for primary grades, K-2):

With more and more articles coming out every day about the importance of modeling a good attitude toward math (like this one and this one), it seems kind of as simple as 1+1=2 to come to the conclusion that the people who have fun doing math will be more inclined to do it more often.

UPDATE 4/26/17 – I can’t believe I forgot to include this one: Estimation 180. So, there’s a bonus for you!

UPDATE 5/8/17 – I may have to change the title of this post soon because I keep finding more great sites!  Here is another one: Robert Kaplinsky’s Real World Problems.

UPDATE 10/19/20 – Try these Slow Reveal Math Graphs!

polyhedrons
image from: fdecomite on Flickr

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