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We found 13 post available for you

How many baseballs are in this truck?
Algebra Geometry Sports Any time math
In 2017, Old Dominion Freight Line offered 2 free tickets to the next 3 World Series to the person who guesses closest to "How many baseballs are in this truck?". Alas, the contest ended on Au...

Throwing Up 2023
Algebra Geometry Math and Science
This year, Buffalo, New York, has had more than 100 inches of snow this winter. We imagine that the height of the tunnel to people's homes is getting pretty high. It's hard to shovel new snow when y...

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...

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...

Wrapping presents on the diagonal
Algebra Number Sense Geometry Holidays and Annual Events
 Dr. Sara Santos is a popular mathematician and speaker on mathematics.  She has worked out a method for wrapping boxes (rectangular prisms) as efficiently as possible. (W...

That's a big tomato!
Algebra Number Sense Geometry Math and Food Ratio and Proportion
These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge.   How much do you guess one weighs? Can you figure it out?

Tiny vacuum with a huge reach
Algebra Number Sense Geometry 3-act tasks
From the vacuum description and advertisement in the PDF, how long do you think its cord must be? Thanks to Brian Shoemaker, Newton, MA teacher, for the idea and pictures.

Point of view
Geometry Math and Art
If you have a set of cubes for your classroom, this would make a great group hands-on project. Its an old puzzle but the activity deserves a revisit. Below are two straight-on images of my ...

Huge diamond found in Canada
Number Sense Geometry Math and Science Ratio and Proportion Data and probability
552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is?  Do you know how big a carat is? What would this look like on a ring on you...

Civil rights marches, how do you count a crowd?
Number Sense Geometry Math and Social Studies Holidays and Annual Events
  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...
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