Number Sense Blog
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 ...
Word Problem Wednesday: The Origami Dinner Party!
Feb 17, 2016
It's another Word Problem Wednesday! In February, we're all about celebrating the beauty of math in all its forms... one of which is the geometric art of origami. Give our origami-themed word problem a try; we'll update with the answer tomorrow!
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Author Spotlight: Lucy Ravtich, The Pancake Menu
Feb 11, 2016
Author and educator Lucy Ravitch is on a mission: to make learning math as much fun and hands-on as possible! We're super excited about her book, The Pancake Menu, and love the way she makes math concepts come alive by way of clever rhymes, deligh...
