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What is with this chart?

Algebra Number Sense Social Studies Ratio and Proportion Probability and Statistics
A fellow teacher, Laura Deschaines, saw this chart on the news the other night.  What do you notice?  Does anything seem amiss?  What should it look like? For Adventurer members we...

Mixing colors with food dye

Number Sense Food Holidays Art
It's time to dye eggs! What do you wonder about these recipes (See the activity) for coloring? What would happen if I used the wrong recipe (i.e. cake mix instead of egg ...

Hoarding stopped!

Current events Ratio and Proportion Probability and Statistics
  A Danish market found an interesting way to limit hoarding of hand sanitizer. How much are these costs in your currency? What is the unit price on these bottles...

Pascal coloring and modular math

Number Sense Geometry Social Studies 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 Probability and Statistics
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...

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 Social Studies Current events Ratio and Proportion Probability and Statistics
  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 Science Probability and Statistics
  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...

K-Pop and BTS, how much can they earn from Youtube and Spotify?

Number Sense Social Studies Art Current events Ratio and Proportion
Bring a little K-pop music to your class with this activity. Jason Kibbe, a terrific middle school math teacher in Chambersburg, PA, sent us an activity that he created for one of his stude...

Do the best movies make the most money?

Probability and Statistics
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...
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