# Number Sense Blog

### Word Problem Wednesday - Oh Christmas Tree!

Dec 9, 2015

This week's word problem features one of our favorite holiday symbols—the Christmas tree! Give it a shot; we'll post the answer tomorrow! While outside shopping for the perfect Christmas tree, Justine stands next to a tree that is 10 feet tall....

### Mathing With Your Kids: The Dreidel Game

Dec 10, 2015

(Image: "Colorful dreidels2" by Adiel lo - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons.) We’re all about mathing with our kids this holiday season, and for this reason, we’d like to share a traditional game that involves (very s...

### PSA: Go to College!

Dec 11, 2015

We interrupt our regularly scheduled holiday programming to bring you this important announcement (and our latest online obsession). SNL's Jay Pharaoh and FLOTUS Michelle Obama (in her rap debut) fuse beats and brains in this fantastic music video...

### Mathing During the Holidays: A More Economical Way to Wrap Presents!

Dec 14, 2015

(Image source) FACT: math is everywhere... and it comes in pretty handy during the holidays! Case in point: this awesome video featuring British mathematician Sarah Santos' math formula for wrapping presents! Sarah's formula (at about 3:14—pi m...

### Legos: An Excellent Math Manipulative

Dec 15, 2015

(Image source) At Mathnasium, we're all about making math make sense to kids. That said, bringing out manipulatives—physical objects used as teaching tools—in appropriate situations is a fantastic way to render abstract math concepts concrete! ...

### Word Problem Wednesday: The Bicycle Edition

Dec 16, 2015

(Image source: Asja Boroš on Flickr) This week's word problem goes out to everyone who has received or would like to receive a new bike for the holidays! Give it a try—we'll update with the answer tomorrow! Jessica, Kalvin, and Lloyd pitch i...

### In 2016, Be Inspired by YOU!

Jan 1, 2016

This January, join us in a special 2016 challenge: Be Inspired by YOU! Pick the inspirational quotation below that moves you most and click it to download your customizable motivational poster template! Include a photo of yourself and fill in the ...

### Mathnasium and the Holidays, Part 2

Dec 18, 2015

Here's another round of holiday cheer from Mathnasium centers far and wide! First off, we can't decide what we love most about the holiday decor at Mathnasium of Lakewood, TX! Is it the adorable Christmas tree festooned with festive angels? Or may...

### A Time of Change: The December Solstice

Dec 21, 2015

(Image via John W. Schulze on Flickr) December 21 and 22 (depending on where you live) mark the 2015 December solstice, commonly recognized as the shortest day of the year (and longest night) for those of us in the northern hemisphere, and the ...

### The Future is Here: SpaceX Rocket Launch a Game Changer for Space Exploration

Dec 22, 2015

Just in time for the holidays, here’s a history-making STEM comeback story we can all get behind! After a failed rocket launch in June that ended in an explosion, space technology company SpaceX successfully sent an unmanned Falcon 9 rocket into s...

### Math and the Holidays: Recipes, Ratio, and Proportion

Dec 23, 2015

What’s your favorite holiday dish? From fruitcake to latkes, whatever it is, it’s most likely made by following step-by-step instructions and fixed quantities of ingredients listed in a recipe! The relationship between ingredients in a recipe c...

### Mathing With Your Kids: Compass Circle Art!

Dec 28, 2015

(Image via Housing a Forest) We're always looking for fun ways to "math" with our kids—especially considering all the downtime during winter break! That said, we love blogger Tammy Dube's compass painting activity featured on her blog Housing a...

### Create a Vision Board and Get Your 2016 Goals on Paper!

Dec 29, 2015

As the holiday season winds down and we prepare to greet 2016 with energetic enthusiasm, it's the perfect time to start thinking about all the wonderful things you'd like to achieve as the coming year unfolds! Making a vision board with your child...

### Word Problem Wednesday: HAPPY NEW YEAR!

Dec 30, 2015

It's the last Word Problem Wednesday of 2015! In the spirit of celebration, give our word problem a try... we'll update this article with the answer once we return in 2016! Georgina is making a banner to decorate the house for a New Year’s part...

### Word Problem Wednesday: What's For Lunch?

Jan 6, 2016

It's the first Word Problem Wednesday of 2016! We're looking forward to starting 2016 off strong—and to do that, we're going to need lots of food to fuel our brains. Give our lunch-themed word problem a try—we'll update with the answer tomorrow! ...

### The Modern Calendar and its Origins

Jan 7, 2016

Imagine falling asleep one evening and waking up the following day... to find yourself some 10 to 13 days in the future! Over the past few centuries, people all over the world witnessed this phenomenon at one point or another as countries made the...

### Four New Elements Added to the Periodic Table!

Jan 8, 2016

As the world closed the books on 2015 and said hello to 2016, the International Union of Pure and Applied Chemistry dropped some big news for chemists/chemistry enthusiasts and the world of STEM in general! On December 30, they announced the addit...

### STEM Career Spotlight: Lauren Sperber, Software Engineer

Jan 11, 2016

This January, we're all about dreaming big and setting goals, so we're shining the spotlight on inspiring professionals with solid careers in STEM fields! Software engineer Lauren Sperber once thought she'd be guiding college students as they stru...

### Kepler: The (Broken) Space Telescope That Could

Jan 12, 2016

Between last December's epic SpaceX rocket launch and the recent unveiling of four new elements on the periodic table, the last couple of months have been huge for the world of STEM! Last week, the American Astronomical Society announced that the ...

### Word Problem Wednesday: Probability and the Lottery!

Jan 13, 2016

It's another Word Problem Wednesday! Today's word problem explores probability as it relates to the lottery. Give it a shot—we'll update this article with the answer tomorrow! For a certain lottery, there are 20 balls numbered 1 to 20. You sele...

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