Worksheet
Curated OER

Sir Cumference and the First Round Table

For Students 5th - 6th
In this circumference worksheet, students solve and complete 5 different figures illustrated on the sheet. First, they cut out each shape found on the bottom. Then, students use the shapes on the left as clues to create the corresponding...
Lesson Plan
Curated OER

Worksheet #4: Simplify Algebraic Expressions With Two Variables

For Teachers 9th - 10th
In this algebraic expression worksheet, students simplify algebraic expressions and solve proportions, and write equations from story problems. Thirteen of the 49 problems are fill in the blank, and the remainder are multiple choice.
Lesson Plan
Curated OER

Discovering Pi

For Teachers 6th
Sixth graders measure circumference and diameter to the nearest eighth of an inch, record measurements on a spreadsheet, and use the internet to complete a "scavenger hunt" of facts concerning pi.
Lesson Plan
Curated OER

Trees

For Teachers K - 3rd
Students investigate the parts of a tree, measure its circumference and the length and width of its longest branch. The data is compiled and placed into a bar graph.
Lesson Plan
Curated OER

Tree Measurement

For Teachers 4th - 6th
Measure a tree? Yes, measure a tree! Students get outside and measure a tree's trunk, crown, and height. Each group compares their answers to determine if any re-measuring is necessary. Once back in the classroom, students make bar...
Worksheet
Curated OER

Easy Worksheet: Area and Circumference of Circles

For Students 9th - 12th
In this area and circumference of circles worksheet, students solve 4 graphing problems. Students graph a circle given an endpoint and center. Students find the area or circumference of the circle they graphed.
Worksheet
Curated OER

Circles Terminology Multiple Choice

For Students 9th - 12th
In this circles activity, students solve 10 multiple choice problems. Students answer questions about diameter and chord relationships, tangent lines to a circle, circumference, the Pi relationship, etc.
Worksheet
Curated OER

Formulas Homework

For Students 9th - 12th
In this circle formulas worksheet, students solve 20 fill in the blank problems. Students find the radius, diameter, circumference, area, arc length, and sector area of a circle.
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...
Worksheet
Curated OER

Regents Exam Questions G.G.21: Centroid, Orthocenter, Incenter, and Circumcenter

For Students 9th - 12th
In this triangles worksheet, high schoolers solve 4 multiple choice problems. Students find the centroid, orthocenter, incenter, and circumcenter or various triangles.
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.
Worksheet
Raytheon

Geometry: Circles

For Students 6th - 8th
In this geometric circumference worksheet, 8th graders calculate the circumference of each of the 18 circles. The remaining pages of the worksheet include formulas and lesson ideas on finding the circumference of circles.
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

Exploring the Circumcenter of a Triangle

For Teachers 9th - 12th Standards
Students construct the circumcenter of a triangle. For this constructing the circumcenter of a triangle lesson, students construct a triangle using Cabri Jr. Students draw perpendicular bisectors of the sides of the triangle. Students...
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...