Welcome!  Please take out the following: Homework Binder Pencil Red pen Highlighter Students will be able to explore the relationship between circumference.

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Finding Circumference

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Presentation transcript:

Welcome!  Please take out the following: Homework Binder Pencil Red pen Highlighter Students will be able to explore the relationship between circumference of a circle and the area of a circle.

Find the circumference of a circle with a radius of 24 meters. Use 3 Find the circumference of a circle with a radius of 24 meters. Use 3.14 for π and round to the nearest hundredth. Find the circumference of a circle with a diameter of 15.5 feet. Use 3.14 for π and round to the nearest hundredth. The circumference of a bicycle wheel is 18.84 inches. Find the radius of the bicycle wheel. Use 3.14 for π and round to the nearest hundredth. C = (3.14)(48) = 150.72 m C = (3.14)(15.5) = 48.67 ft 18.84 = (2)(3.14)r; r = 3 in

Homework

Homework

Homework

Homework

Homework

Lesson 12.3 Activity Please color two of the four pieces and cut along the solid black lines to have a total of four pieces.

Lesson 12.3 Activity Arrange your shapes so that the points of the wedges alternately point up and down like shown: When arranged in this way, do the pieces look like any shape you know?

Lesson 12.3 Activity Please cut along the thicker dashed lines to have a total of eight pieces.

Lesson 12.3 Activity Arrange your shapes so that the points of the wedges alternately point up and down. When arranged in this way, do the pieces look like any shape you know?

Lesson 12.3 Activity Please cut along the thicker dashed lines to have a total of sixteen pieces.

Lesson 12.3 Activity Arrange your shapes so that the points of the wedges alternately point up and down. When arranged in this way, do the pieces look like any shape you know? Video