Number Sense Blog

Word Problem Wednesday: In Celebration of Leap Day!

Mar 2, 2016

Leap Day 2016 was this week, on Monday, February 29! On this Word Problem Wednesday, give our leap year-themed word problem a try; we'll update with the answer tomorrow. 2016 is a leap year! Every 4 years, there is an extra day at the end of Fe...

This March, Share Your Summer Dreams!

Mar 1, 2016

It may not be sunny outside, but we have to admit—we’re in a summertime state of mind! In March, we want to know what your summer dreams are… and how math will help make them a reality! From saving up for a new bike to learning new shapes to bring...

Happy Leap Day!

Feb 29, 2016

2016 is a leap year, and February, the shortest month of the year, gains an extra day—February 29th, otherwise known as leap day! So why do we have leap years and days? Leap years and days are adjustments built into the calendar’s structure to ...

Word Problem Wednesday: A Very Rare Alligator

Feb 24, 2016

(Image via Quinn Dombrowski on Flickr) On this Word Problem Wednesday, a rare variant of a toothy reptile takes center stage! Solve our alligator word problem; we'll update with the answer tomorrow! One out of every 250,000 alligators is bor...

Math Is Beautiful (and Fun): Tangrams!

Feb 19, 2016

As we continue to celebrate math in all its beauty, here's an ancient Chinese geometric puzzle that's fun and challenging... and will give your spatial recognition skills a boost! A tangram consists of seven moveable shapes called tans, which are ...

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