Wrapping presents on the diagonal
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...
Holidays and Annual Events
Genres
Grade
2 New Macy's Parade balloons
As the Macy's Parade returns to public viewing, here are two balloons that Macy's artists have added. Can you figure out their dimensions? Macy's give their dimensions in bicycle lengths, taxi w...
Collecting the most candy
Use your student’s Halloween enthusiasm to do a study on volumes. We’ve created an activity that asks students to calculate the volume of candy containers that are silly and intriguing. ...
Make a costume from a sheet
Whoops! Maybe I need a larger 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...
Macy's Thanksgiving Parade 2019
As we get ready for next week's holiday, students can study a map of the annual Macy's Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate...
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.
Super Bowl cheesy pretzel poppers
Recipe courtesy of The Slow Roasted Italian
A little more delicious work for the Super Bowl. Students follow a recipe that involves "cutting the cheese" block, figuring how many se...
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...
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?
...
The Blue Marble
Sunday, April 22nd, 2018, is Earth Day. Use this activity to demonstrate the various mappings of our 3-d Earth to a 2-d piece of paper. Students compare maps with this famous photo and check to...