Ground Hog day
On GroundHog Day (February 2nd), Punxsutawney Phil will again, with great ceremony, come out of his burrow and look for his shadow. Let your students check out the relative frequency of hi...
Holidays and Annual Events
Genres
Grade
Lunar New Year 2023
The year of the Water Rabbit
Students explore the least common multiple of these two cycles without ever hearing the term LCM. They explore some of Asian culture and begin to understand the...
Earth's perihelion with the Sun
Today, Wednesday, January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year?
In this activity students become fam...
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...
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.
Con...
Whole lot of cookies
This activity has been updated -- See the updated activity HERE
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...
The size of chocolates
In this activity students assume that all of our pieces of chocolate are about the same thickness and proceed to approximate their volumes by comparing only their surface areas.
Consider sh...
What time should I wake up?
I'm going to surprise my mom with breakfast in bed for Mother's Day.
She wakes up pretty early. When do I have to wake up to pull this off?
April Fool's Day fun
This day is known for pranks and puzzles.
Try one of these 4 activities on April Fools Day.
Ask students to analyze where I made my mistake.
PerplexingProblem.pdf
CC...