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Earth Day Actions for Our Planet (April 22)
Earth Day Actions for Our Planet (April 22)

We have 16 activities that you could use for Earth Day! April 22nd is Earth Day. Help your students become activists for our planet? We have 16 activities...

Algebra Number Sense Grades 4–HS
A geodesic icosahedron, the Times Square New Year's eve ball
A geodesic icosahedron, the Times Square New Year's eve ball

Image by kjpargeter on Freepik It's a gorgeous ball, covered with Waterford Crystal triangles, shaped as a geodesic icosahedron. Every New Year's Eve it descends in Times Square...

Geometry Math and Science
Will I pay less if I buy more?
Will I pay less if I buy more?

image designed by macrovector / Freepik This activity can be used in a large range of grade levels. Your class can work on percents, linear equations or piecewise...

Algebra Number Sense
What is a quantum dot?
What is a quantum dot?

In this activity, students work through the nomenclature to understand the possibilities of nano science and quantum dots. Questions that are answered; How many nanometers are in a...

Algebra Number Sense High School
DST ends November 5th, 2023 - strange happenings
DST ends November 5th, 2023 - strange happenings

In this activity students try to figure out how time settings will change as they move from place to place and in the serious weirdness of Arizona and...

Algebra Number Sense Grades 4–HS
Nobel Prizes
Nobel Prizes

The Nobel Prizes have just been awarded. This is the medal that is given to the winners. What do you know about the Nobel Prize? Who do you...

Algebra Number Sense Grades 5–HS
Will this be an El Niño winter?
Will this be an El Niño winter?

The Oceanic Niño Index (ONI) started to show changes to the Pacific Ocean surface temperatures in April and May of this year. Those temperatures are still rising which...

Number Sense Math and Science Grades 3–HS
Huge Alaskan Vegetables
Huge Alaskan Vegetables

The annual Alaskan State Fair has just been completed. As usual, there were some amazingly big vegetables that won the agriculture prizes. Evidently, even though the growing season...

Algebra Number Sense Grades 3–7
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
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
The Moroccan Earthquake and the Richter scale
The Moroccan Earthquake and the Richter scale

Friday evening, September 8 th , a powerful 6.8 magnitude earthquake hit Morocco southwest of Marrakech. What does a 6.8 magnitude earthquake mean? How powerful was that? What...

Algebra Number Sense Grades 6–HS
Hurricanes again
Hurricanes again

Updated In this updated hurricane activity, we've ask students to examine the Saffir-Simpson hurricane wind scale and consider what other elements besides this ranking may contribute to the...

Algebra Math and Science Grades 5–HS