Number Sense

Grade

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Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook

Algebra Number Sense Math and Social Studies Ratio and Proportion
  That sounds like an awful lot of their Facebook shares.  They want to help create a better world for their daughter, Max. I wonder if they will have enough left over to live on? The...

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...

How Much is a Tweet Worth?

Algebra Number Sense Math and Social Studies Sports Ratio and Proportion Data and probability
These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money.  In this activity students study how ...

Free Flights?

Algebra Number Sense
This can't be right!  If my flight cost $200 and I stayed for 10 days it would be free.  Right?  You can kick off this activity by asking students to think about where ...

What's with the plovers?

Algebra Number Sense Math and Science Ratio and Proportion Data and probability
Cute little birds.  Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this conservatio...

Thank you, mother and father, for all of those diapers

Algebra Number Sense Holidays and Annual Events
Thank you Mother and Father for all of those diapers  Which is a better deal, cloth or disposable diapers?  How much did you cost your parents in diapers?  In the future how much could...

How Many Donuts is That?

Number Sense Geometry Math and Food Holidays and Annual Events 3-act tasks Data and probability Wow factor
Act One:  Take a look at the first picture (Krispy-Kreme-photos). What is the first question that comes to mind? How many donuts is that?  What information would be useful?  ...

Growth of Facebook update

Algebra Number Sense Ratio and Proportion Data and probability
Facebook is so accepted in our world today that it is even part of nightly news broadcasts as people are noted for receiving huge numbers of likes in appreciation or interest. Mark Zuckerberg, the f...

Chili Con Queso

Number Sense Math and Food Ratio and Proportion 3-act tasks Data and probability Wow factor
Act 1: Take a look at the promo at Moe's. What is the first question that comes to mind? How much does a 42-gallon jug of Chili Con Queso cost?  How many cups or bowls of Chili Co...

Which Sweet Hearts are the Best Deal?

Algebra Number Sense Math and Food Holidays and Annual Events Ratio and Proportion
 I have been doing a little shopping for Sweet Heart Candies. I came across these three deals online.  Which should I select?    In this activity students determine w...
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