Worksheet
Curated OER

Circles and Arcs, Circumference and Area Multiple Choice

For Students 9th - 12th
In this circles worksheet, students determine the circumference and area of circles.  They compute the length of an arc and find the radius.  This one-page worksheet contains 6 multiple-choice problems.  This on-line...
Lesson Plan
Curated OER

Don't Be a Square

For Teachers 4th - 6th
Students analyze the relationship between radius and diameter.  Students read Sir Cumference and the First Round Table then take measurements of circular items from around the room.  Students compute the radius, diameter...
Lesson Plan
Curated OER

Discovering Pi

For Teachers 9th - 10th
Learners relate Pi to a circle. In this circles activity, students identify the different properties of two dimensional objects. They relate Pi to the circumference, diameter and area of a circle .
Worksheet
Curated OER

Perimeter and Circumference

For Students 10th
In this geometry instructional activity, 10th graders determine the perimeter of various polygons and the circumference of circles.  The two page instructional activity contains twelve problems.  Answers are provided. 
Worksheet
Curated OER

Calculate the Circumference

For Students 7th
In this calculate the circumference learning exercise, 7th graders find the circumference given the diameter of 4 circles; the formula and the answers are provided.
Lesson Plan
Curated OER

New York State Testing Program

For Teachers 6th - 8th
In this state testing worksheet, students solve problems on a variety of topics studied throughout the year.  They find the median, solve algebraic equations, solve proportions, simplify expressions, find percents, and complete...
Lesson Plan
Curated OER

Calculation the Cricumference of Earth using "Google Earth"

For Teachers 8th
Eighth graders investigate properties of circles.  For this eight grade mathematics lesson, 8th graders apply proportional reasoning to data gathered with “Google Earth” to calculate equatorial and polar circumference of the...
Lesson Plan
Curated OER

Let's Gather Around the Circle

For Teachers 9th - 12th Standards
Scholars explore the relationship between circumference and diameter. Groups of learners measure the diameter and circumference of round objects and record their data on a given worksheet. They then input the data into their graphing...
Lesson Plan
Curated OER

Circumference Review

For Teachers 3rd - 5th
In this circumference lesson plan, learners review how to find the diameter and circumference of a circle, they apply their skills to a real life application. Learners are presented with the task of determining the circumference of trees...
Lesson Plan
Curated OER

To the Moon

For Teachers 6th - 12th Standards
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson, they manipulate snack wrappers to find circumference, diameter, radius and distance.
Lesson Plan
Curated OER

Circles all Around

For Teachers 6th - 8th Standards
Students investigate circles. In this middle school mathematics lesson, students explore the relationship between the diameter of a circle and its circumference.
Lesson Plan
Curated OER

Parachutes, Circles and Pi...Oh My!

For Teachers 6th - 7th
Students explore different size circles to discover the relationship between diameter and circumference. In this circles and Pi instructional activity, students construct simple parachutes using circle patterns of varying sizes. Students...
Lesson Plan
Curated OER

3.14159265

For Teachers 9th - 12th
High schoolers discover the value of Pi.  In this value of Pi activity, students measure the circumference and diameter of various circles on their graphing calculator.  High schoolers find the ratio of the circumference to the...
Worksheet
Curated OER

Circles and Cylinders

For Students 10th
In this circles and cylinders worksheet, 10th graders solve and complete 22 various types of problems. First, they collect data for a radius and circumference for several different circles and calculate the quantity. Then, students find...
Lesson Plan
Curated OER

Measuring the Earth

For Teachers 9th - 12th
High schoolers use principles of geometry to measure the circumference of the Earth. For this applied geometry lesson, students use mathematics to determine scientific information. They make measurements, calculate the central...
Lesson Plan
Curated OER

Approximation of Pi

For Teachers 9th - 12th
Young scholars explore the concept of Pi.  In this Pi lesson, students measure the circumference and diameter of a circle.  Young scholars record the diameter and circumference measurements from their classmates.  Students...
Worksheet
Curated OER

Arcs and Sectors

For Students 10th
In this arcs and sectors worksheet, 10th graders solve and complete 2 different types of problems. First, they find the radius of a circle with a given circumference. Then, students find the perimeter of the given sector and the area of...
Worksheet
Math eBook

Circumference of a Circle

For Students 6th - 9th Standards
Save trees and practice calculating the circumference of circles with this online interactive task! Of course, if you want individuals to turn it in, you will still need to print copies. There are 20 problems to solve, all of which...
Lesson Plan
Curated OER

Circles-Diameter, Circumference, Radius and the Discovery of Pi

For Teachers 7th
Seventh graders measure the diameter, circumference and radius of a circle and find pi using the diameter and circumference. In this geometry lesson, 7th graders work in groups to find the diameter, radius, and circumference of circles....
Lesson Plan
Curated OER

The Area of a Circle

For Teachers 8th
Eighth graders find the circumference and diameter of several lids, show the relationship of the two measurements and derive the formula for finding the area of a circle. In this area of a circle lesson plan, 8th graders find...
Worksheet
Curated OER

Graphs of Formulas

For Students 5th
In this worksheet students fill out a function table after reading a short word problem. This is a good way for students to practice the necessary skills for solving word problems or setting up algebra equations.
Worksheet
Curated OER

TT Pies

For Students 4th - 6th
In this activity about geometry, students learn about circumference. Students are required to find circumference of pies in this activity. There are eight problems in this activity. As a bonus students are asked to find the radius of...
Worksheet
Curated OER

Chapter 8 Worksheet 3 Circumference & Area

For Students 8th - 12th
In this circumference and area worksheet, learners determine the circumference and area of given circles. They find the area of shaded regions of circles and areas around circles. This two-page worksheet contains 18 multi-step problems.
Worksheet
Curated OER

Circles

For Students 10th
In this circles instructional activity, 10th graders solve and complete 16 various types of problems. First, they state the center and radius for the given equation and graph. Then, students determine if each point is on the circle, in...