tags: percent

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Which sale would you rather use?

Algebra Number Sense Ratio and Proportion
In this short activity, students decide if these two sales are the same. If not, which is better? How would you explain this to someone?

Federal debt and deficit - What are they?

Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
What's the big deal with our national debt?  Do we actually borrow money to cover our debt?  If we do, imagine the interest charges? Help your students (and their families) understa...

Steepness and fall hiking

Algebra Number Sense Geometry Math and Science Sports
Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather outside.  Let them combine what they ...

Shoprite's solar energy goals on the African continent

Algebra Geometry Math and Science Math and Social Studies Current events Data and probability
  Shoprite is the largest supermarket chain in Africa.  The company is presently engaged in increasing their use of solar power to harness the abundant natural resource of solar potentia...

Is the Electoral College fair?

Number Sense Math and Social Studies Current events Ratio and Proportion
Show your students this really cute segment comparing how the Electoral College functions in our elections to what students think is fair and just. From the New York Times, Electoral ...

Monster cake

Number Sense Geometry Math and Food Ratio and Proportion
Jodie Berman, a high school math teacher in Chicago, loves mathematics and loves to cook.  We've created an activity based on her Monster Cake (composed ...

Coronavirus trends

Algebra Math and Science Math and Social Studies Current events Data and probability
Johns Hopkins University of Medicine has a team that maintains current maps and data about the Coronavirus.  They record changes and show trends of the virus activity throughout the World. Enjo...

Stock Market headlines - Biggest losses since 2008

Algebra Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
This year the Dow Jones Industrial Average made headlines as it dropped in March and April. The Dow is measured in points but this decline can also be measured in the percentage lost.  W...

What is with this chart?

Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability
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...

Hoarding stopped!

Current events Ratio and Proportion Data and probability
  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...
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