Ratio and Proportion

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It's almost summer now

Algebra Number Sense Geometry Math and Science Math and Food Ratio and Proportion Data and probability Funny
How much water do you have to drink?   In this activity student develop formulas for calculating their water needs, learn about the effects of too little wat...

Mother's Day

Algebra Number Sense Geometry Math and Social Studies Math and Food Holidays and Annual Events Math and Art Current events Ratio and Proportion 3-act tasks Data and probability Funny Wow factor
How much do we spend on Mother's Day - Use the Mother's Day event to engage your students in approximating, reasoning, and investigating as students estimate how mu...

Will I pay less if I buy more?

Algebra Number Sense Ratio and Proportion 3-act tasks Any time math
image designed by macrovector / Freepik This activity can be used in a large range of grade levels.  Your class can work on percents, ...

What is a quantum dot?

Algebra Number Sense Geometry Math and Science Current events Ratio and Proportion Wow factor Any time math
 In this activity, students work through the nomenclature to understand the possibilities of nano science and quantum dots.  Questions that are answered; How many nanometers are in a millime...

Veterans Day, 2023

Algebra Math and Social Studies Holidays and Annual Events Current events Ratio and Proportion Data and probability
On Veterans Day we honor the men and women that have served in the Armed Forces of the United States.  There are now 16.2 million living veterans. We found these maps that show where veterans liv...

Leslie's Yummy Pumpkin Pie

Algebra Number Sense Math and Food Holidays and Annual Events Ratio and Proportion Any time math
Every year more and more people come to our house on Thanksgiving morning for my (Leslie's)famous pumpkin pie and a hike in the nearby woods.  This year 23 people have already accepted. How man...

How many Americans (and their pets) participate in Halloween?

Algebra Number Sense Math and Social Studies Holidays and Annual Events Ratio and Proportion Data and probability
Surveys show that more and more people are involved in and spending on Halloween activities. If the percent of Americans participating continues at this pace and the population continues to grow at ...

Heating with wood - What's a cord?

Algebra Number Sense Geometry Ratio and Proportion Any time math
Do you know what a cord of wood looks like? What size stack is that? What's a thrown stack? What's the dog's name that is standing in front of the wood? How long can I heat my house with that much fue...

More Population Pyramids

Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability Any time math
The population pyramid above shows the distribution of the World by ages and sex for each continent. How can that information help you put your vision of the world in better perspective? &nb...

The Moroccan Earthquake and the Richter scale

Algebra Number Sense Math and Science Current events Ratio and Proportion Any time math
Friday evening, September 8th, a powerful 6.8 magnitude earthquake hit Morocco southwest of Marrakech. What does a 6.8 magnitude earthquake mean?  How powerful was that...
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