Hi Def version of the popular Circles song from the Math Upgrade online courses by Learning Upgrade. Teaches radius, diameter, circumference, pi. (02:12)

Distinguish a sphere form other three-dimensional figures and identify the attributes of a sphere. Provide examples of representations of the net of a sphere.

Learn circumference, radius, pi and more through music! This animated video goes through the vocabulary used in the geometry of a circle, such as what a circle is, radius, diameter, circumference, pi, and it gives the formulas for finding each. Video... is good quality and good for all students as review or initial learning of the concept. (01:51)[more]

The video starts with a circle and finding its circumference, what the circumference is, what radius is and then using the formula for finding the circumference. Then they move onto area of a circle. Cylinders are addressed next, they discuss the vol...ume of a cylinder, discuss the meaning of each of the symbols in the formula. Then they discuss the formula for volume of a sphere, and what each of the symbols mean. Video is good quality and good for all students as a review or initial learning of the topic. (07:39)[more]

From math-videos-online.com, produced by Math-Videos-Online.com

In this video, students will learn how to calculate the area of a circle and how to find the area of a ring. Examples are provided with step-by-step instructions. (3:22)

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