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K–12 teaching and learning · from the UNC School of Education

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e-Learning for Educators - Getting Ready for Algebra by Using Virtual Manipulatives
Learn how to use virtual manipulatives and other technologies to help students become proficient, successful algebra students.
Take this course: Begins March 24.

From the education reference

National Board Certification
Program of teacher certification (beyond education degree) focused on teacher development and professionalism, requiring "intense self-reflection and analysis of [teacher] practice" through preparation of a portfolio and responses to assessment questions drawn from their field (such as early childhood and mathematics).

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The bad lands at Petrified Forest National Park, AZ
The bad lands at Petrified Forest National Park, AZ
Eroded rock formations in the bad lands at Petrified Forest National Park, Arizona. Deposition, uplift, and erosion have created a diverse landscape over millions of years. Many formations, such as mesas and buttes, are formed when a protective cap of sandstone...
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Bad lands in Petrified Forest National Park, AZ
Bad lands in Petrified Forest National Park, AZ
The sculpted ridges of bad lands in Petrified Forest National Park, Arizona. The formations show that thousands of years of mineral deposition have created colorful stripes in the surface of the rock. Deposition, uplift, and erosion have created a diverse...
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A petrified tree in Petrified Forest National Park, AZ
A petrified tree in Petrified Forest National Park, AZ
A petrified tree on its side in Petrified Forest National Park, Arizona. The remains of its ancient root ball and the texture of its bark have been preserved by the petrification process. The tree's color is rich with traces of purple, red, blue, and green....
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A flower growing from a petrified tree in Petrified Forest National Park, AZ
A flower growing from a petrified tree in Petrified Forest National Park, AZ
A flower growing from a petrified tree in Petrified Forest National Park, Arizona. The flower is pink with delicate, feathery leaves. The tree is striped with orange, red, and plum purple. Petrified Forest National Park encompasses part of the Rainbow Forest...
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Agate House in Petrified Forest National Park, AZ
Agate House in Petrified Forest National Park, AZ
The Agate House in Petrified Forest National Park, Arizona. Archeologists believe the original building was constructed almost ten centuries ago between A.D. 1050 and 1300. The ancient Puebloan people in the area used petrified wood sealed with mud mortar...
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Petrified trees in Petrified Forest National Park, Arizona
Petrified trees in Petrified Forest National Park, Arizona
Petrified trees in Petrified Forest National Park, Arizona. The geological structure of the crystalline quartz that forms the trees causes fractures clean across the trunk, giving the false impression that they've been cut with a chainsaw. These trees are...
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Colorful crystals in a petrified tree in Petrified Forest National Park, AZ
Colorful crystals in a petrified tree in Petrified Forest National Park, AZ
Colorful purple, blue, red, and orange crystals in a petrified tree in Petrified Forest National Park, Arizona. Petrified Forest National Park encompasses part of the Rainbow Forest and the Painted Desert. It consist of several "forests" of petrified wood....
Format: image/photograph