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Pascal coloring and modular math

Number Sense Geometry Math and Social Studies Math and Art
In this activity students have the opportunity to color as they investigate Pascal's triangle and the many useful patterns that it shows. The triangle is explored for patterns, coloring...

Data remaining ... tricky

Algebra Number Sense Ratio and Proportion Data and probability
I checked my data usage for the month.  What do you notice and wonder (see the activity)?   What could my data plan be? How much have I used? How much will...

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...

Which gasoline is the cheapest?

Algebra Number Sense Ratio and Proportion
When Brian traveled to Crete last summer with his wife and son on an Archaeological dig, buying gasoline for his small rental car got him wondering again. He was pretty g...

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...

How steep is this treadmill?

Algebra Number Sense Geometry Ratio and Proportion
  Photo from the Onion, America's Finest New Source. Women on Gym Treadmill Cranks Incline up to 90 Degrees  This is a very short activity designed to give students a more visual underst...

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...
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