Songs about the Circle

Videos, worksheets, stories and songs to help Grade 6 students learn about the Circle: Area, Circumference, Radius, Diameter

Circumference = π × d
Area = π × r²

The following figures give some mnemonics to help you remember the formulas for the circumference and area of a circle. Scroll down the page for more examples and helps.

Circumference and Area of Circle

Learn circumference, radius, pi and more through music!

The Circle Song

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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