Throwing Up
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 wh...
Geometry
Genres
Grade
How many feet of lights should I buy for my tree?
Check out our Christmas Tree! We need to buy lights for the tree. Without calculating, guess how many feet of lights we will need. What information would help you t...
Winter Solstice 2023
It is really dark out now. Why is that? Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth's tilt and the logic of daylight hour...
Do I have enough wrapping paper?
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.Consi...
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...
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 woul...
How many gumballs are there?
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...
Willy Makeit or Betty Wont
I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while. Finally! I see a bathroom sign! Wait ... it is in kilometers? How...
What is Artemis 1 and when will it launch?
Credit: (NASA/Joel Kowsky)
50 years ago we landed on the moon. We've established a space station and flown astronauts and guests to live there. Private industries have created reusable ...
Hexadecimal coloring
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense? In this activity we first ask students to color in our ...