In this area of sectors worksheet, students find the area of a given sector, area of inscribed figures, and area of shaded regions. This two-page worksheet contains 20 problems. An answer sheet is provided on the third page.

In this tangents, secants and chords worksheet, 10th graders identify and solve 48 different problems that include using 3 different theorems for defining circles. First, they determine the area of each circle with C as the center and a...

In this central and inscribed angles activity, 10th graders identify and solve 20 different problems that include determining inscribed angles and intercepted arcs. First, they determine the measure of point P if the given angles are...

For this volume worksheet, 10th graders solve 10 different word problems that include determining the volume in each one. First, they determine the ratio of their radius given the cubic meters of a sphere. Then, students determine the...

In this space worksheet, learners load a copy of ViewPoint and open the Solar System datafile. There they look through database sheets, using the Preview Sheet and Next Sheet buttons and respond to 8 questions. Then students do some...

Students review the parts of a circle, calculate the circumference and area of a circle, and create student-made tests on the geometry of circles using educational software.

Third graders work in groups of two to three with measuring tapes, finding the circumference and diameter of teacher-selected circular items. They relate circumference and diameter measurements to find pi.

A very basic presentation on the vocabulary associated with circles has come around. Math whizzes see definitions and examples of the radius, diameter, chord, and central angle of a circle. The last slide says "practice time," but there...

First graders generate ideas of the things that a 1st Grade student thinks, does and feels based on a model on bulletin board paper. They (counselors) pick one students and trace that student's body onto a pieces of bulleting board paper...

Students practice various equations for constructing nine-point circles for triangles.

Two practice pages with 10 problems each show circles and give their radii. Learners calculate the area. Answers are provided. 

Students study the concept of patterns in geometry. In this pattern-making lesson, students locate various types of patterns in images provided. Students define the types of images that can create a pattern. Students also describe the...

Students identify the radius and diameter of a circle. For this geometry lesson, students calculate the volume and area of a cylinder and circle. They relate the circumference of a circle to Pi.

Students calculate the area and circumference of a circle. In this geometry lesson, students solve word problems with circles and create formulas to calculate the area. They find the rate and complex area of a circle.

Learners calculate the diameter, radius and area of a circle. In this geometry lesson, students investigate the different ratios of a circle. They calculate the surface are of each circle.

Students will define circle and radius. In this radius lesson,  students are given a circumference, they will write an equation and sketch the circle. Students will match graphs of circles to their equations.   

In this measurement worksheet, 6th graders find the area, perimeter, radius, diameter and circumference of many different shapes. Students complete 15 problems.

For this math word problem worksheet, 6th graders complete problems about the length and radius of certain shapes. Students complete 15 problems.

Students identify and name basic shapes and points. In this elementary geometry lesson, students use printable cut outs to name circles, triangles, and squares before playing a game with them. They play a game of "Pin the Tail on the...

In this circles worksheet, students find missing arc lengths and chords.  Students also find the length of radii in three problems.

In this geometry learning exercise, 10th graders match basic vocabulary words relating to angles, circles, quadrilaterals, and transformations in a drag and drop game format.  The one page interactive learning exercise contains...

Fifth graders calculate the diameters and radius of planets as a book is read to them. In this diameter and radius lesson plan, 5th graders read the book Space Circles and calculate the measurements based on the information in this book.

In this radius worksheet, students calculate the radius of a circle when the area is given to them. Students complete 5 problems total.

In this circumference worksheet, students find circumference. Radius and diameter are given, as well as an answer key. Workspace is provided.