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Geometry

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Algebra 365
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We found 115 post available for you

Do I have enough wrapping paper?
Algebra Number Sense Geometry Holidays and Annual Events 3-act tasks
In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping paper together. Con...

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...

Total lunar eclipse
Geometry Math and Science Current events Wow factor
On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025. Luckily, many of us will be able to see the eclipse pretty close to when we woul...

The size of chocolates
Number Sense Geometry Math and Food Holidays and Annual Events
In this activity students assume that all of our pieces of chocolate are about the same thickness and proceed to approximate their volumes by comparing only their surface areas.  Consider sh...

How many gumballs are there?
Number Sense Geometry Math and Food Data and probability
Gumball Machine Problem from Brian Marks on Vimeo This problem is a little puzzle to get your students thinking, estimating, and calculating. We've given you a pdf file w...

What is Artemis 1 and when will it launch?
Number Sense Geometry Math and Science Math and Social Studies Current events Wow factor
  Credit: (NASA/Joel Kowsky) 50 years ago we landed on the moon. We've established a space station and flown astronauts and guests to live there. Private industries have created reusable ...

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...

How much pee is in this pool?
Number Sense Geometry Math and Science Funny Wow factor
After chlorination, it has been hard to measure the quantity of pollutants in pool water.  A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise....

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...

Gauss and our star of stars
Number Sense Geometry Math and Art
How many stars are in this image and how did you count them? For Adventurer members we have a teaching suggestions and our solution sheet.
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