Number Sense Blog



Math in Action: How Does Your Smartphone Know Your Location?

Feb 4, 2015

GPS location apps on a smartphone can pinpoint where you are and offer you directions to your school, find the nearest place to get a haircut, and tell you what the weather is in your neck of the woods, among many other cool features. But how does...



Friday Fun: Number Nonsense - Perfect Numbers

Jan 30, 2015

Happy Friday! In this week's Number NonSense cartoon, we explore perfect numbers. 



Super Bowl Problem Set

Jan 28, 2015

NFL Super Bowl XLIX is coming up this Sunday, so it’s time to warm up with some football themed math problems!   Lower Elementary: Question: Kelsey bought a pack of 92 foam fingers to root for the New England Patriots. She passed out half...



Number NonSense: The Möbius Strip

Jan 23, 2015

Happy Friday! In this week's Number NonSense cartoon, we explore the Möbius Strip, discovered by August Möbius in the mid-1800's. Find out how to make your own Möbius Strip!



Math Heroes: Einstein's Miracle Year

Jan 21, 2015

    Now here's an inspiring Math Hero story from TEDEd! Albert Einstein was considered a "failed" academic before he developed theories that radically changed our understanding of the universe. Check out this video on Einstein's "Miracle ...


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