Ninth graders find the height of an object that would be difficult or impossible to measure directly. They construct and use a Clinometer to measure the angle of elevation (or depression). Students create a sketch of the measurement...

Students explore the making of circles and concepts related to them in geometry. The project is inquiry based will focus upon students making their own nametags. The construction is ideal for hands on students.

Students find the volume of solids and disks.  In this finding the volume of solids and disks lesson, students find the volume using the washer, disk, and shell method.  Students integrate functions in terms of x and y. ...

In this college level Calculus activity, students find the derivative of the given function and find the rate of change of the area of a circle with respect to its circumference.  The two page activity contains seven problems. ...

Fifth graders use the Celsius and Fahrenheit thermometers to compare temperature readings. They use the Internet to find the temperatures of selected cities. After data is collected for five days, 5th graders graph the temperatures.

Students decide what body measurements they need to make garments such as a pair of pants. They make a list, and work with a partner to take and record those measurements in centimeters. They discuss the use of centimeters.

Fifth graders engage in the solving of a real life application problem using the concept of calculating perimeter. They apply the operations of calculating with the polynomials for finding the perimeter of triangles,quadrilaterals, and...

Eighth graders complete a unit of lessons on basic geometry concepts. They participate in a variety of activities, culminating in a project that involves publishing a booklet or a poster that presents the major geometry concepts from the...

In this word problem worksheet, students complete ten multiple choice word problems by choosing the correct mathematical operation. This is an interactive worksheet.

Students explore the concept of perimeter. In this perimeter lesson, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.

In this math review worksheet, students review for their 7th grade exam using a variety of worksheets on different topics. There are 35 problems plus some word problems in the worksheet booklet.  

In this math vocabulary instructional activity, students choose which multiple choice answer best defines twenty-five mathematical terms. Students place their answers on the lines provided.

Students take part in a variety of measurement tasks. Students measure the length of a slinky. Students work out how many slices of tomato will fit around the edge of a pizza. Students measure the label from a can accurately.

In this problem solving tools worksheet, students complete a set of 10 multiple choice questions. Worksheet is labeled as a "pre test." 

This is where you can pick up some valuable pointers on how to find the circumference and area of a circle. There is also information on how to find the perimeter and area of a semicircle. When you finish working your way through the...

This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of finding the circumference and area of circles.

Students will discover how to estimate and measure the circumference and area of a circle.

In this lesson plan, 7th graders determine the circumference and area of a circle.

Students find perimeters of rectangles and squares, as well as circumferences of circles. Students find areas of rectangles, squares, and circles. [Requires Adobe Reader.]

The idea of perimeter can be applied not only to polygons but to circles as well. The same idea can be said for the area of a circle. (Continued. See "before the activity.") [Requires Adobe Reader.]

This is an introduction to finding the arc length and area of sectors of circles. Students should have the formulas for Circumference and Area of circles.

Find the circumference of a circle when given either the radius or diameter.Find the radius or diameter of a circle when given the circumference.Students receive immediate feedback and have the opportunity to try questions repeatedly,...

This study guide on circumference and arc length covers key vocabulary, the parts of a circle, and formulas for circumference, area, and arc length. It is available for download with free registration.

Practice these problems with circumference and rotations.