tags: exponential

tags: exponential
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All you can eat for 10 cents

Algebra Number Sense Food
The history of the Dairy Queen franchise began with this ad in Illinois in 1938: All the ice cream that you can eat for only 10 cents! We know that 10 cents was worth more in the past, but was it...

The Most Expensive 30 Seconds

Algebra Sports Holidays
 This year, the 30-second Super Bowl ads will cost about 8 million dollars! Do you wonder how much one ad will cost next year? In 5 years? In 10 years? 🏈In this activity, students explore ho...

Barcodes and QR codes

Algebra Number Sense Probability and Statistics
In this updated activity, students will be introduced to permutations and investigate how the math behind barcodes and QR codes creates endless possibilities for product id...

Hurricanes again

Algebra Science Current events Ratio and Proportion Probability and Statistics
Updated In this updated hurricane activity, we've ask students to examine the Saffir-Simpson hurricane wind scale and consider what other elements besides this ranking may contribute to t...

How hard it is to pick the perfect bracket? (Updated)

Algebra Number Sense Sports Probability and Statistics
Updated (2026)! Games have begun and there have been several upsets but March Madness won't be over until the finals on April 3rd and 4th. March Madness bracket predictions can still be reworked....

The new R-naught number

Algebra Number Sense Science Current events Probability and Statistics
There's a number used to quantify how fast a virus will spread, the R-naught number.  As the coronavirus spread though out the world, we saw how the threat of infection was measured and und...

Will the new iPhone sales be huge?

Algebra Ratio and Proportion Probability and Statistics
Apple just announced their new, 10th anniversary, iPhones, the iPhone 8 and the iPhone X.  These phones will soon be in stores, the iPhone 8 comes out on September 22, 2017. The iPhone X is ava...

Growth of Facebook

Algebra Number Sense Ratio and Proportion Probability and Statistics
 In this activity, students analyze and graph the numbers and decide if Facebook's growth in the first 20 years has been linear, exponential, meteoric, or something else.  Will the number of...
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