Ratio and Proportion

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Lots of Cranberries

Geometry Math and Food Holidays and Annual Events Ratio and Proportion
 The harvest must be nearing completion now and growers are selling their product to make cranberry juice, jelly, sauce, and of course, fresh berries in time for Thanksgiving. In this activit...

Willy Makeit or Betty Wont

Number Sense Geometry Ratio and Proportion Funny Wow factor
I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while.  Finally!  I see a bathroom sign!  Wait ... it is in kilometers?  How...

How old are you?

Algebra Number Sense Ratio and Proportion Wow factor
We usually give our ages in years, but that isn't very precise is it?  In this activity students find their age in days, hours and minutes.  First students take two minutes to estimate the...

2 New Macy's Parade balloons

Algebra Number Sense Geometry Holidays and Annual Events Current events Ratio and Proportion
As the Macy's Parade returns to public viewing, here are two balloons that Macy's artists have added. Can you figure out their dimensions? Macy's give their dimensions in bicycle lengths, taxi w...

Spicy hot chocolate for the Dia de los Muertos

Algebra Number Sense Math and Food Holidays and Annual Events Current events Ratio and Proportion
  The Day of the Dead is always on the first and second of November.  Life and death are part of the natural cycle of life and the Dia de los Muertos honors that cycle.   Peppe...

Just ONE hot dog

Algebra Number Sense Math and Science Math and Food Sports Ratio and Proportion Data and probability
A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan. How many would you have to eat to lo...

What is Juneteenth?

Number Sense Math and Social Studies Current events Ratio and Proportion
   You can appreciate why this is such a great celebration when you look at the stages and some of the events and dates of America moving towards freedom from slavery. In this activ...

Man paid in 500 pounds of greasy pennies!

Algebra Number Sense Math and Social Studies Current events Ratio and Proportion 3-act tasks Data and probability
    A man from Georgia, Andreas Flaten, finally received his last paycheck from his disgruntled employer. He had been owed that last check for several months and was having difficult...

At least the days are getting longer

Algebra Number Sense Math and Science Holidays and Annual Events Current events Ratio and Proportion Data and probability
What's your guess?  How fast are the number of daylight hours changing each day?  Are the changes dramatic or subtle? Students make guesses; compute how l...

How much snow is that?

Algebra Number Sense Math and Science Ratio and Proportion
Start this activity with: What do you notice? What do you wonder? How many inches of snow produced that pile?  How much snow in volume is on top of the car?  H...
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