tags: ratios

tags: ratios
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Is this promo a good deal?

Number Sense Math and Food Ratio and Proportion Data and probability
McDonald's was offering an "Arch Card" special deal. If you bought an Arch Card for $100 you were entitled to a free BigMac or EggMcMuffin every week for a full year. The card was only offered a...

Water saving toilets

Geometry Math and Science Ratio and Proportion Data and probability
     How much water is used? How much water could be saved? For Adventurer members we have an editable Word docx and solutions with added world-wide information.

It's latke time

Number Sense Math and Food Holidays and Annual Events Ratio and Proportion
   In Leslie's family it is traditional to eat latkes (Yiddish for little potato pancakes) at this time of year.  They are fried in a lot of oil and salted generously. Her mom's latk...

Are these really 70% off?

Algebra Number Sense Ratio and Proportion
We ran into this sale online. Is that advertisement correct?  Do they just want us to believe their math and not question what is really 70% off?  Is everything or...

10 Million nematodes

Algebra Number Sense Math and Science
Nematodes Grubs are killing my grass.  I don't want to put poison into the ground.  What can I do? There are tiny roundworms called beneficial nematodes. They can kill destructive so...

Flag Art

Number Sense Geometry Math and Social Studies Math and Art Ratio and Proportion
A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity (Flags) students measure; create whole number ratios for the official U.S. flag; decide h...

Giant chocolate bunnies

Number Sense Geometry Math and Food Holidays and Annual Events Ratio and Proportion Data and probability
What can you deduce about these bunnies from their descriptions ... solid? hollow? cost per pound? cost per height? Anything else? For Adventurer members we have an editable Word d...

A parametric heart ... with love

Number Sense Geometry Holidays and Annual Events Math and Art
Valentine's Day is a good excuse to explore parametric equations. First students figure the coordinates of this figure using trigonometric unit triangles. Then they simplify and accelerate...

California wildfire

Number Sense Geometry Math and Science
Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park.  In this activity we ask students to examine various maps of this California region, calculate distances us...

Bits, bytes, and nibbles

Algebra Number Sense Math and Science Ratio and Proportion
Clicking on the image will show it larger. I'm not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison.  I decid...
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