Vampire Bats
🦇In this updated activity, students explore how vampire bats drink half their body weight in blood in just 20 minutes. Using proportional reasoning and unit ...
Holidays and Annual Events
Genres
Grade
Veterans Day, 2023
Algebra
Math and Social Studies
Holidays and Annual Events
Current events
Ratio and Proportion
Data and probability
On Veterans Day we honor the men and women that have served in the Armed Forces of the United States. There are now 16.2 million living veterans. We found these maps that show where veterans liv...
Leslie's Yummy Pumpkin Pie
Every year more and more people come to our house on Thanksgiving morning for my (Leslie's)famous pumpkin pie and a hike in the nearby woods. This year 23 people have already accepted. How man...
Ice Cream Day - July 16th; 2 activities
Algebra
Number Sense
Math and Social Studies
Math and Food
Holidays and Annual Events
Current events
Ratio and Proportion
All the ice cream that you can eat
All the ice cream that you can eat for only 10 cents! Wow, that's a great deal! How great a deal was tha...
Father's Day and Juneteenth; 3 Activities
Algebra
Number Sense
Math and Social Studies
Math and Food
Holidays and Annual Events
Current events
Ratio and Proportion
Data and probability
For Father's Day (Links to different activities)
Thank you Mother and Father for all of those diapers (2015) - Students compare the cost of buying disposable vers...
Earth Day (April 22) Actions for Our Planet
Algebra
Number Sense
Geometry
Math and Science
Math and Social Studies
Holidays and Annual Events
Current events
Ratio and Proportion
3-act tasks
Data and probability
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March Equinox - big deal? ... and 5 more Spring activities
What's with the March Equinox? Does it really affect our lives? Is it just some astronomical occurrence? Students calculate the daylight hours at the March Equi...
Lots of Cranberries

The harvest must be nearing completion now and growers are selling their product to make cranberry juice, jelly, sauce, and of course, fresh berries in time for Thanksgiving.
In this activit...
Beijing Olympic Schedule 2022
The Winter Olympics begins this week in Beijing.
Wikipedia had this schedule of events. We think that there is a lot of information missing and apparent in this graphic.
What can you tell, wha...
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...