Data and probability

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How much should you spend on this sale?

Algebra Number Sense Ratio and Proportion 3-act tasks Data and probability
This activity can be used in a large range of grade levels.  Your class can work on percents, linear equations or piecewise functions. Act One: We missed the semi-annual sale but we want to get ready...

Cost of light bulbs - updated!

Algebra Number Sense Math and Science Math and Social Studies Ratio and Proportion Data and probability
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized. Let your students "do the math" and realiz...

Season 12, American Idol

Number Sense Holidays and Annual Events Data and probability
Let your student study American Idol viewing figures over the last eleven seasons. Students compare historical season premier and season finale audience size in several different ways to determi...

Cruising

Algebra Number Sense Math and Science Math and Food Ratio and Proportion Data and probability
There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their need...

Starbucks sales (Updated!)

Number Sense Math and Food Ratio and Proportion Data and probability
Time to give students some authentic math on a topic they will surely be interested in ... Starbucks!  We ask and answer a few questions in this activity. About h...

The tallest structure made of Legos

Number Sense Math and Social Studies Math and Art Ratio and Proportion 3-act tasks Data and probability
Act One: The world record for the tallest structure made of Legos was set in Seoul, South Korea.  Check out this video on youtube! What other questions do you have? Act T...

It sure is cold out ... or is it?

Algebra Number Sense Math and Science Data and probability
Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, mis...

The Euro and the international debt crisis

Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability
Lately the news is filled with talk of the Euro, US foreign debt, the fragility of European monetary systems, and the interdependence of all of these crisis. In this activity students become fami...

Launch of the next ISS crew

Number Sense Math and Science Ratio and Proportion Data and probability
If all goes well, the next crew of the International Space Station (the ISS) will launch on Sunday, Novemeber 13, 2011 from the  Baikonur Cosmodrome in Kazakhstan. Keep your student ...

Video game console sales

Number Sense Data and probability
Updated November 2022! The video game world is constantly changing and improving. With the recent new products like the PlayStation 5 and the Xbox Series X we wondered what are the best sel...
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