Tag: area

Two 12s or one 18?

Which should we order and why? Two 12-inch pizzas or one 18-inch pizza?  Which will give you more pizza? More crust? Which is the better deal?

Holiday soda displays

The holidays are coming! We found these timely soda displays made up entirely of 12-pack of Coca-Cola products. What questions do you have? Clicking on either image will show them larger in their own windows. Start out the activity by…

Canstruction

Just before Thanksgiving there are competitions all over the world to celebrate cool design, tricky engineering, and to donate a whole lot of food. How many cans does it take to build this structure?  What information do you need to determine this?  How did you determine your solution? What else did you notice that is mathematical?

How many cars are there?

I came home from work to find that my son had his cars organized in a tight parking lot on our front porch. How many cars are there? Is it an array and if so, what size array could it be…

A gorgeous, glittery card

Uh oh!  How do you find the area of a heart? Get your students to help you calculate how many sequins you’ll need to order for this class project. The activity:   BejeweledMother’sDayCard.pdf Mother’sDay-card-blank – If you want to try…

Pick-a-brick wall at the Lego store

There are walls at the Lego stores that are filled with individual Lego parts.  You can fill a bucket and pick out exactly what you need. Use this PowerPoint activity to get your students conferring with each other, making guesses,…

Big Papi

Check out the video: What do you wonder? How many donuts make up this Big Papi tribute? What would be useful to help you figure this out? The following pictures that will open in new windows:  Big Papi Sky View,…

Which TV is the Best Deal?

Check out the TVs.  All have essentially the same features, only the size of the screen varies.  Which TV do you think is the best deal?Explore area and unit pricing to determine which HDTV offers the most screen area for…

Twinkies

Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly.  He needs his Twinkies.  Twinkies last forever.  Right?  He’s going to buy enough for 15 years of Twinkies.  In this activity, students examine…