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Guacamole for Cinco de Mayo
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
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
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
What is an atmospheric river(AR)?
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
March Equinox - big deal? ... and 5 more Spring activities
March Equinox - big deal? ... and 5 more Spring activities

What's with the March Equinox? Does it really affect our lives? Is it just some astronomical occurrence? Students calculate the daylight hours at the March Equinox by time...

Algebra Math and Science Grades 2–6
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
Daylight savings time
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?
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
Square or Round - which pizza should I buy?
Square or Round - which pizza should I buy?

Warm up for π day with this updated activity! Subway has great Flatizzas but Sbarro's pizzas are good too. If that slice from Sbarro is from an 18-inch...

Algebra Number Sense Grades 3–6
Population Pyramids - What can you surmise?
Population Pyramids - What can you surmise?

The distribution of a population's age and gender data can tell you a lot about a society's history, current situation, and future. What do you see happening here?

Math and Social Studies Data and probability Grades 5–HS