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It sure is cold out ... or is it?
It sure is cold out ... or is it?

Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging,...

Algebra Number Sense Grades 5–HS
Valentine's Cardioid
Valentine's Cardioid

WojciechSwiderski at the Polish language Wikipedia Happy Valentine's Day! This PDF contains four ways students can draw cardioids for Valentine's Day. There is no solution for this activity...

Geometry Holidays and Annual Events Grades 6–HS
Launch of the next ISS crew
Launch of the next ISS crew

If all goes well, the next crew of the International Space Station (the ISS) will launch on Sunday, Novemeber 13, 2011 from the Baikonur Cosmodrome in Kazakhstan. Keep...

Number Sense Math and Science Grades 3–5
Parabolic Pee
Parabolic Pee

Mr. Mark's new little baby can make some amazingly tall streams. Give your class a little chuckle as you introduce them to parabolic motion with this very short...

Algebra Math and Science Grades 7–HS
Why Does it Stay in Orbit?
Why Does it Stay in Orbit?

Students will use their understanding of exponents and practice converting speed and distance from metrics to US customary units to complete this exercise ... and, they will learn...

Algebra Geometry Grades 7–HS
Radiation amounts
Radiation amounts

This investigation will help you and your students to better understand the magnitude of normal, background radiation and the more serious radiation exposure that comes from nuclear accidents....

Algebra Number Sense Grades 5–7
Geometry of Flooding
Geometry of Flooding

In 2010, March was so rainy that flooding was the topic of every newscast and many, many conversations. To this day, the March 2010 floods were described as...

Number Sense Geometry Grades 4–HS