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30 resources with the keyterm area of a circle

Lesson Planet

Radius, Diameter and Circumference

For Teachers 8th - 10th
In this circle worksheet, students use a drawing of a circle. The diameter is given. Students find the radius, circumference and area of the circle. On the second problem, students are shown a circle with a hole inside it. They compute...
Lesson Planet

Geometric Probablitiy: Spinners and Dartboards

For Teachers 8th - 10th
Sstudents explore and analyze the properties of geometric areas.  In this geometry lesson, sstudents use technology to simulate spinners and dartboards in order to fing areas of circles and sectors of circles and compare and contrast...
Lesson Planet

PieFree Circles

For Teachers 10th
Tenth graders explore the area of circles.  In this geometry lesson, 10th graders investigate a problem in which a square is inscribed in a circle and a semi-circle is drawn with its’ center halfway along one of the sides of the square...
Lesson Planet

TI-nspire Area of a Circle

For Teachers 9th - 10th
Students investigate how to input data into a TI. In this geometry lesson, students calculate the area of a circle and interpret the area through graphing. They identify quadratic regression as part of the experiment.  
Lesson Planet

Circumference and Area of Circles

For Teachers 5th - 6th
In this math worksheet, students learn to calculate the area and circumference of a circle. Students answer 4 word problems after reading the information and studying the examples.
Lesson Planet

How Big is a Molecule?

For Teachers 9th - 12th
Learners estimate the size of a molecule of oleic acid. They conduct an experiment using chalk dust, water, and oleic acid, solve various calculations, and answer discussion questions.