Tag: 4.MD

How long will it take you to trick-or-treat?

It’s Halloween and this is your neighborhood. How long will it take you to trick or treat at every house in your neighborhood? Possible conversation with students: How long will it take you to get from house to house? You…

Huge Key Lime pie

More for π Day!  On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are. After you…

More eruptions on Hawai’i’s Kilauea

The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai’i. This volcano is on the tip of the southern most Hawaiian Island.  Is that significant? In this activity students note the descending ages of…

Population Clock

Click here to see the Population Clock bigger in a new window. How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds?

BIG Snickers bar

Wow!  This snickers bar is huge! Act 1 – Big question = How many times bigger than a regular Snickers bar is this? What info would you like to know? How are you going to judge how much bigger this is…

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…

Civil rights marches, how do you count a crowd?

On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington.  This was 32 years after Martin Luther King, Jr. gave his historic “I have a dream” speech at the Lincoln Memorial to 250,000 civil…

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,…

10 Million 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 soil pests in your garden and lawn.  They are tiny worms that…

Which is the best deal?

How do you calculate and justify which deal is a better savings?  By dollars saved?  By percent saved? By some other measure? The activity: WhichDealOffersMostValue.pdf CCSS: 4.OA, 4.NBT, 4.MD.A, 5.NBT, 6.RP, 6.EE, 7.RP, 7.EE.A

How Many Donuts is That?

Act One:  Take a look at the picture.  What is the first question that comes to mind? How many donuts is that?  What information would be useful? Act Two: See pictures below. Your students can view all of the pictures…

McDonalds moves towards antibiotic-free chicken

Recently McDonald’s announced that by 2016 they will use only chicken raised without the antibiotics that are used in human medicine.  McDonald’s plans to join Chick-fil-A, Panera Bread, Chiptotle, and Whole Foods in the move towards removing antibiotics in the…

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…