# Tag: 7.G.B

## At last, its summer again

How much pee is in this pool? – A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn’t disguise. In this activity, students calculate volume of several pools, change that cubic foot volume to gallons of pool water,…

## How big of a crepe can you make?

At Costco you can buy this huge tub of nutella.  It contains nearly 7 pounds of chocolaty-hazelnut spread. We use nutella to make banana/nutella crepes.  How long will that tub last us?  Is it too big and we will have…

## 2 New Macy’s Parade balloons

Students figure out the dimensions of these two new balloons using Macy’s hints and judging from the handlers’ sizes.

## Betsy Ross’s 5-pointed star

Folding analysis to make Betsy Ross’s 5-pointed star

## The Times Square ball

It’s a gorgeous ball, covered with Waterford Crystal triangles, shaped as a geodesic icosahedron.  Every New Year’s Eve it descends in Times Square to mark the beginning of the new year.  Students can take a closer look at this construction…

## Lots of Cranberries

In this timely activity, students learn about how cranberries are grown and harvested; estimate their size and quantities; and see what they can deduce from published statistics.

## Ramen noodle heist

In 2018, the trailer of a truck filled with Ramen noodles was stolen from a parking lot in Georgia. The trailer contents were valued at \$98,000. What do you wonder about this? Is this even possible?

Could \$98,000 worth of Ramen even fit in a tractor trailer?

## Big beach towel

Since beaches are starting to open again, we thought this activity might bring smiles and hopes. Act One: Check out this beach towel!  What do you wonder? What would you like to know? Miami artist, Misael Soto (pictured on the left below),…

## Tiny vacuum with a huge reach

Wow! This vacuum can clean up to 2,800 square feet while using only one electrical outlet. How long must its cord be?

## Macy’s has some new balloons

These giant beauties can be measured in handler height, taxi cab widths, stories tall, and bicycle lengths.  What does that all mean?  How big are these balloons. The activity: Macy’sNewBalloons.pdf

## Make a costume from a sheet

I’m going to make a costume pattern to sell.  People can buy my plan and make awesome, long, full, scary, ghost costumes.  This scheme will be so simple.  Perhaps I’ll get rich! In this activity young students can reason about…

## How much pee is in this pool?

A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn’t disguise. In this activity, students calculate volume of several pools, change that cubic foot volume to gallons of pool water, and try to approximate how much urine is in each pool.

## Pythagorean Triples and coloring

Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns.  We’ve combined a little coloring with our Pythagorean Triple pattern investigation to let your students relax while they color, view the beauty, and…

## Do I have enough wrapping paper?

I have to wrap this box.         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. …with…

## Greasing light poles

The Philadelphia police were being proactive about keeping their enthusiastic Eagles fans from being reckless as they celebrated their 2018 Super Bowl win.  So, the police departments frosted the city light poles with Crisco shortening to help discourage fans from…