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Heating with wood - What's a cord?
Heating with wood - What's a cord?

Do you know what a cord of wood looks like? What size stack is that? What's a thrown stack? What's the dog's name that is standing in front...

Algebra Number Sense Grades 4–HS
Indigenous Peoples or Columbus Day
Indigenous Peoples or Columbus Day

When Columbus landed in Guanahani (renamed San Salvador, Bahama Islands by Columbus), he began the European settlement of the New World. Guanahani was inhabited by the Taíno people...

Algebra Geometry Grades 4–HS
Lego Fireman +
Lego Fireman +

At the Toys R Us store, we saw an amazing LEGO creation. He was a life-sized LEGO fireman with a walkie-talkie, an oxygen tank and even an oxygen...

Number Sense Geometry Grades 5–HS
U. S. Open Tennis Tournament prizes have been awarded
U. S. Open Tennis Tournament prizes have been awarded

The U.S. Open Tennis Tournament has just been completed. It is possibly the biggest tennis tournament in the world. We've updated our numbers and focused on the prize...

Algebra Number Sense Grades 7–HS
Autumnal Equinox 2023
Autumnal Equinox 2023

Updated for 2023! Saturday, September 23, 2023 at 06:50 UTC (2:50 am EST), will be the Autumnal Equinox. It is the time of year when an imaginary plane...

Algebra Geometry Grades 5–HS
Justin Verlander's lunch bill
Justin Verlander's lunch bill

In the 2017 World Series, the Houston Astros beat the Los Angeles Dodgers and went on to play (and lose to) the Boston Red Sox in the finals....

Algebra Number Sense Grades 5–7
Jock tax 2023
Jock tax 2023

Great professional athletes make a lot of money. Did you know that professional athletes have to pay an amazing amount of federal, state, and sometimes even city tax?...

Algebra Number Sense Grades 5–HS
Women's World Cup - How many matches are left?
Women's World Cup - How many matches are left?

The first round of Group play has finished and now the remaining teams start the second round of play. The teams have already played a lot of matches....

Number Sense Geometry Grades 3–HS
Lionel Messi, soccer star and influencer
Lionel Messi, soccer star and influencer

Lionel Messi is possibly the best soccer player in the world. How much influence does he have? Messi just shared an Apple TV link on his Instagram account....

Algebra Sports Grades 4–HS
How many baseballs are in this truck?
How many baseballs are in this truck?

In 2017, Old Dominion Freight Line offered 2 free tickets to the next 3 World Series to the person who guesses closest to "How many baseballs are in...

Algebra Geometry Grades 7–HS
Can Joey and Miki do it again?
Can Joey and Miki do it again?

The MLE - M ajor L eague E ating is a World organization that oversees speed eating contests. Entrants to the various competitions must be members of the...

Algebra Number Sense Grades 4–HS
Giant beach towel
Giant beach towel

Beaches are starting to open again. Bring summertime smiles and hopes to your class with this activity. Towel project by Misael Soto. Act One: Check out this beach...

Geometry Math and Art Grades 4–HS