Number Sense

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Doubling your money

Algebra Number Sense Data and probability Wow factor Any time math
My friend and I were arguing about how long it would take me to double my investment amounts.  How will your students figure this out?  Are there any tricks?  Explore investing ...

What's the answer?

Algebra Number Sense Current events
Image by Twitter user @pjmdoll.  Math doesn't usually create a buzz on Twitter.  This past week this post did just that.  People argued online about whether the answer was 16 or...

Choosing the NBA All-Star team

Algebra Number Sense Sports Current events Ratio and Proportion
The weekend of February 14 - 16 will be all about the NBA All-Stars. The two team captains are Giannis Antetokounmpo (Milwaukee Bucks) and LeBron James (Los Angeles Lakers). These guys ...

Fantasy Football

Algebra Number Sense Sports Holidays and Annual Events
In the midst of another NFL season, we introduce students to Fantasy Football. Students first calculate football points given touchdowns, yardage gains and interceptions. They are then challenge...

Super Bowl ads and scientific notation

Algebra Number Sense Holidays and Annual Events
The Super Bowl is over now and all of the ads have been seen. Let your students revisit and reflect on the interesting commercials with this scientific notation activity...

How much have doughnuts changed?

Algebra Number Sense Geometry Math and Food
Part of the Smithsonian's Sally L. Steinberg Collection of Doughnut Ephemera -- Click on the image to see it larger. When you are working on volume in your class, you can use this activi...
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