Wrap it Right?
Students use the real-world example of wrapping ribbon around a gift to explore the concept of perimeter. They calculate the perimeter of various presents and create the formula for calculating perimeter.
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Identify and Describe Geometric Figures
In search of a comprehensive geometry resource to supplement your elementary math instruction? Look no further. This geometry chapter, taken straight out of a math textbook, provides everything you need to begin teaching young...
2nd - 6th Math CCSS: Adaptable
New Review Circles, What Is Pi?
Understanding the basic of circles is as easy as pi. The resource introduces the definition of a circle along with its dimensions, circumference, diameter, and radius. Using graphics, the video shows the approximation of pi and how to...
8 mins 4th - 8th Math CCSS: Adaptable
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
5th - 7th Math CCSS: Designed