Population Clock
How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds?
Have a little care about younger children when using this activity. T...
Number Sense
Genres
Grade
How many cars are there?
Brian came home from work to find that his son had his toy cars organized in a tight parking lot on our front porch. ? Below is a video version of our power point for the activity, whic...
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 histo...
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 activity to get your students ...
10 Million nematodes
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 so...
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? Looking at 4 different deals, students will need to...
How Many Donuts is That?
Number Sense
Geometry
Math and Food
Holidays and Annual Events
3-act tasks
Data and probability
Wow factor
Act One: Take a look at the first picture (Krispy-Kreme-photos). What is the first question that comes to mind? How many donuts is that? What information would be useful?
...
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, Pa...
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 H...
Raising the bar
Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor. Let your students get a fe...