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Ratio and Proportion

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We found 28 post available for you

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...

This shoe is huge!
Algebra Number Sense Ratio and Proportion Wow factor Any time math
Brian and his son were doing some shopping when he found this shoe.  Egad!  Could that be someone's real shoe? In this activity student use a shoe size chart, patterns or linear modelin...

Can Joey and Miki do it again?
Algebra Number Sense Math and Food Sports Current events Ratio and Proportion
Updated !              The MLE - Major League Eating is a World organization that oversees speed eating contests. Entrants to the various competitions must be...

The 8th billion baby
Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
How fast is the world's population growing? Will the world's population size increase indefinitely?  Are all countries' populations increasing at the same rate? What are some of the...

Earth Day (April 22) Actions for Our Planet

Algebra Number Sense Geometry Math and Science Math and Social Studies Holidays and Annual Events Current events Ratio and Proportion 3-act tasks Data and probability
<a href="https://www.freepik.com/free-photo/watercolor-textured-blue-background_15559582.htm#fromView=search&page=1&position=22&uuid=5c957d6a-8767-4ae9-9522-cdefcf4825b7">Image by ra...

Median age of country populations
Number Sense Math and Social Studies Ratio and Proportion Data and probability Wow factor
Interesting map! Why median? What are the implications?     https://statisticstimes.com/demographics/countries-by-median-age.php Demography is the study of populations. Scientist...

How big could this mid-term election be?
Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
Will the November 8th 2022 election bring record number of voters to the polls? Students get a chance to understand what the usual percentage of voters is, look for trends and central tende...

Hexadecimal coloring
Number Sense Geometry Math and Science Math and Art Ratio and Proportion
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense? In this activity we first ask students to color in o...

Where should I drop my puck
Algebra Number Sense Geometry Ratio and Proportion 3-act tasks Data and probability
  Act 1 - Give students time to view the game board above or give them our one-page activity. The above picture is larger when you click on it. Ask students for their gut reaction about which sl...
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