Real-World Math Activities for Grades 3–12

The 8th billion baby

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...

Number Sense Math and Social Studies

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

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

Guacamole for Cinco de Mayo

Cinco de Mayo (May 5th) is an annual celebration of the 1862 Mexican victory over the French Empire at the Battle of Puebla. It has now evolved into...

Math and Food Holidays and Annual Events Grades 4–HS

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

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

What is an atmospheric river(AR)?

North America from space. Elements furnished by NASA - https://www.noaa.gov/stories/what-are-atmospheric-rivers How are they ranked? Students become familiar with this weather phenomena and learn how the different ARs are...

Algebra Math and Science 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, 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

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

Daylight savings time

Updated and improved! Is Daylight savings time helpful? How does it make you feel? "Spring forward, fall back" Early Sunday morning, March 12 th at 2 am ,...

Algebra Number Sense Grades 4–HS

Two 12s or one 18?

A little more pizza fun before Pi day ! Which should we order and why? Two 12-inch pizzas or one 18-inch pizza? Which will give you more pizza?...

Number Sense Geometry Grades 4–HS

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