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Triple Crown hopefuls at the Preakness
Triple Crown hopefuls at the Preakness

Credit: AP Photo/Garry Jones Saturday, May 20th 2023, will be the running of the Preakness Stakes thoroughbred horse race in Baltimore, Maryland. The Preakness is the second major...

Sports Holidays and Annual Events Grades 5–HS
Effects of new MLB rules
Effects of new MLB rules

This year new rules have been added to Major League Baseball. Pitchers and batters are no longer allowed to "dawdle" or delay the game. The bases are larger....

Algebra Number Sense Grades 4–6
New bust of King Charles ... in chocolate
New bust of King Charles ... in chocolate

Saturday, May 6 th 2023 will be King Charles' coronation. It's been a long time since a new monarch was crowned in the United Kingdom. The artists at...

Algebra Number Sense Grades 4–HS
Wheel of Theodorus
Wheel of Theodorus

Bring a little art into your math class as you begin to use the Pythagorean theorem and your students first meet irrational numbers. For Adventurer members we have...

Algebra Number Sense Grades 6–HS
The HAT tessellation
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...

Geometry Math and Art Grades 3–HS
Time to make your prom clothes ... with Duck Tape
Time to make your prom clothes ... with Duck Tape

Larissa Leon, from Texas, in her gorgeous Duck Tape prom gown. If you are going to make your prom clothes then you should start soon ... and buy...

Number Sense Math and Social Studies Grades 4–HS
How hard it is to pick the perfect bracket? (Updated)
How hard it is to pick the perfect bracket? (Updated)

Updated (2026)! Games have begun and there have been several upsets but March Madness won't be over until the finals on April 3rd and 4th. March Madness bracket...

Algebra Number Sense Grades 5–HS
March Madness - Does seeding really matter?
March Madness - Does seeding really matter?

March Madness, the big 68 team college basketball tournament, will now take over our TV viewing during the weekends of March. School and office friends are filling out...

Number Sense Sports Grades 5–6
Just some March Madness math
Just some March Madness math

Today, March 12th, is selection Sunday. Tomorrow we'll know how the college basketball teams are seeded and bracketology can begin. Introduce your students to the meaning and excitement...

Algebra Number Sense Grades 2–HS
Chocolate heart-shaped raspberry cake
Chocolate heart-shaped raspberry cake

For Valentine's Day, bake a cake! Students calculate base area or volume of cakes made from 2 cake pan sizes and observe how the volume of the cake...

Geometry Math and Food Grades 5–HS
Typical Super Bowl scores
Typical Super Bowl scores

Updated for 2023! In this activity students study historical Super Bowl data to reflect on average (mean, median, and mode), losing scores, winning scores, and range of scores....

Algebra Number Sense Grades 5–HS
Big bucks 2023
Big bucks 2023

Updated! When soccer great, Lionel Messi played for Barcelona, he had one of the highest paid contracts of any athlete in the world. He had a $674 million...

Number Sense Sports Grades 5–7