How fast is the World’s population growing? Will the world’s population size increase indefinitely? Are all countries’ populations increasing at the same rate? What are some of the factors affecting this growth?
The 8th billion baby
Tag: 4.MD
The HAT tessellation
An Einstein aperiodic tile has just been discovered. Find out what that means and why it is significant. Plus – play with the tiles. Do you want to tile your shower floor with these? Could a tile setter pull this off?
Earth Day actions for our planet
We have 16 activities that you could use for Earth Day! Saturday, April 22nd is Earth Day. Help your students become activists for our planet? We have 16 activities that support recycling, conserving resources, awareness of climate change and protecting our planet.…
March Equinox – big deal? … and 5 more Spring activities
Brand new! 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 Equinox by time between longest and shortest days. They examine the progression of…
How hard is it to find a 4 leaf clover? (3 Saint Patrick’s Day activities)
We have 3 Saint Patrick’s Day activities for your math class. How hard is it to find 4-leafed clovers, the nutritional values of a Shamrock Shake, and measuring parts per million (ppm) of dyeing the Chicago River green.
Daylight savings time
Will you wake up and go to sleep earlier or later on that Sunday?
What kind of chart or picture could you draw to help you compare before and after daylight savings time?
Will your Sunday seem longer or shorter?
Is daylight savings time still useful?
Square or Round – which pizza should I buy?
Warm up for π day with this updated activity!
If that slice from Sbarro is from an 18-inch pizza cut into eight pieces, which deal is better when comparing area of pizza and cost? How does the area of a square pizza compare to the area of a circular pizza?
MLK and efforts towards racial justice
Timelines for the life and work of Martin Luther King Jr. – Students create one of two timelines about Martin Luther King Jr’s life or the efforts in America to create a more fair racial balance in the U.S. …
Total lunar eclipse
On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025. Luckily, many of us will be able to see the eclipse pretty close to when we would…
Sunday, July 17th, is National Ice Cream Day
In this activity, we’ve created two small tasks to challenge your students. If you know how much ice cream is eaten every year, how much is the “average” American eating? And, what will it cost me to make my own…
What time should I wake up?
Surprise Mother’s Day breakfast in bed! I think she would like orange juice, scrambled eggs, biscuits, and hot coffee. I’ll add some flowers from outside and fruit to make it look fancy. Of course I want the hot food to all be hot when I serve her. When should I wake up in the morning to do all of this?
Olympic Schedule
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 and what would you like to know?
The James Webb telescope
After launch, the telescope deployed on its 30-day, million-mile journey out to the second Lagrange point (L2). This video shows the deployment procedure, timeline, and location of the satellite during deployment. Is this telescope just a more modern telescope…
End of Daylight Savings time confusion
In this activity students try to figure out how time settings will change as they move from place to place and what variables are involved in the daylight savings time shift. Day length? Latitude?
Just ONE hot dog
A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan. How many would you have to eat to lose a whole year of your lifetime? How much did Joey Chestnut loose in the 10 minutes of Nathan’s annual contest?