Data and probability

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Is there much of a difference between 99.9% or 99.999%?

Algebra Number Sense Math and Science 3-act tasks Data and probability
Use our present need for cleanliness to engage your students.    Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs? In this activity, we'v...

How many delegates does each state get to send to the Democratic Convention?

Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
  Texas gets to send a lot more delegates to the July National Democratic Convention than New Hampshire does.  How do they figure out what each state's fair number of delegates ...

Gonna be a Leap Year

Number Sense Math and Science Data and probability
  By George C. Baxley  This year we will add the 29th of February to our year?  Why do we do that?  How can you tell?  What if we didn't add a day every 4 years? Stud...

Do the best movies make the most money?

Data and probability
Do the "Best" movies make the most money?  How could you measure the "best" movie? What information would you need to make this judgement? At most ten movies&n...

Expensive Super Bowl ads

Algebra Sports Holidays and Annual Events Data and probability
Updated again for 2022! The teams are set. Don't you wonder what a Super Bowl ad will cost this year?  Will the price for 30 seconds be more? stay the same? or drop? 2013 Doritos "Go...

Star Wars ... the story continues

Number Sense Ratio and Proportion Data and probability
The Rise of Skywalker will open on December 20, 2019.  How much did it cost to make?  How much will it gross? Is the Star Wars phenomena a guarantee for success?  How would you c...

How many Smashburgers?

Algebra Number Sense Math and Food 3-act tasks Data and probability
Egad!   There must be a million ways to craft one of these burger! How many ways do you think that there are? Act I - Study the menu image on the right and consider what sort o...

Eliud Kipchoge runs marathon in 1:59:40.2

Algebra Sports Ratio and Proportion Data and probability
  Eliud Kipchoge breaks 2 hour marathon barrier.   On October 12th 2019, Eliud Kipchoge ran a marathon in Vienna in under 2 hours. He has now broken a barrier of what humans are c...

How much should the 40-oz size cost?

Algebra Number Sense Math and Food Data and probability
We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos.  And they will also make you 40-...

Does it pay to get educated?

Number Sense Math and Social Studies Ratio and Proportion Data and probability
 Why should students do well in school, graduate high school, or go on to college?  In this activity median earnings by various education levels are explored.  Students compare t...
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