Lesson Plan
Curated OER

Around and Across

For Teachers 10th
Tenth graders investigate the circumference and diameter of a circle. In this geometry activity, 10th graders relate circumference to diameter. They create a scatter plot to estimate the value of pi.
Lesson Plan
Curated OER

Circles

For Teachers 5th - 6th
In this math worksheet, students solve 14 problems in which they calculate the diameter, radius, circumference and area of circles. There are no examples or formulas provided on this page; prior knowledge is assumed.
Lesson Plan
Curated OER

Circles Minilab

For Teachers 3rd - Higher Ed
Students learn how to measure the diameter and circumference of a circle. In this circle lesson, students organize their data to create a graph. Students utilize their graph to make an inference about the slope of pi.
Lesson Plan
Curated OER

Infinite Secrets

For Teachers 9th - 12th
Students duplicate the method that Archimedes used to estimate the value of pi. They complete a data table and find the approximate values of pi for three sets of polygons.
Lesson Plan
Curated OER

Geometry in Nature

For Teachers 6th - 7th
Students examine how the circumference, diameter, and the relationship of Pi of a circle are related. They count the summer rings of a tree to determine its growth.
Worksheet
Curated OER

Circles: Finding Circumference

For Students 9th - 12th
In this circles learning exercise, high schoolers find the circumference of 20 circles.  Students find the circumference given the radius, diameter, and area of various circles.
Lesson Plan
Curated OER

Circle Relationships

For Teachers 8th - 10th
Students explore circles.  In this geometry lesson, students explore the relationship between the circumference of a circle, the distance a ball travels, and the number of rotations the ball must make in order to travel a certain...
Lesson Plan
Curated OER

Circumference and Area of a Circle

For Teachers 10th - 11th
Learners investigate the area and circumference of a circle. In this geometry lesson, students estimate and measure the radius, diameter and circumference of a circle. This assignment has an online part that is interactive.
Interactive
Curated OER

Geometry Worksheets - Volume of Cylinders

For Students 9th - 12th
For this online math worksheet, students determine the volume of cylinders given their dimensions. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
Lesson Plan
Curated OER

Crop Circles

For Teachers 5th - 8th
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.
Lesson Plan
Curated OER

Easy as Pi

For Teachers 5th - 6th
Students examine structural features.  In this life science activity students complete an activity and quantify the impact of various modifications. 
Worksheet
Curated OER

Area, Perimeter, and Volume

For Students 5th - 6th
In these area, perimeter, and volume worksheets, students complete 6 different activities to determine area, perimeter, or volume of a figure.
Lesson Plan
Curated OER

Ara of Circles

For Teachers 8th - 10th
Pupils identify the differentiate the different properties of circles and parallelograms. In this geometry instructional activity, students calculate the area of each solid and identify the formula. They relate Pi to the circumference of...
Lesson Plan
Curated OER

Surface Area of Spheres

For Teachers 9th - 12th
High schoolers identify the properties of a sphere. In this geometry lesson, students calculate the surface area of spheres using the formula derived by nets. They identify the radius and diameter of the sphere.
Lesson Plan
Curated OER

Investigating Pot Sherds

For Teachers 6th
Sixth graders measure pot sherds and use their knowledge of Pi to infer possible uses of pottery. They also infer possible functions of ancient ceramics. After tracing rounded pottery pieces onto paper, 6th graders use compasses to...
Lesson Plan
Curated OER

Investigation of Pot Sherds

For Teachers 4th
Fourth graders review their prior knowledge on the concept of pi. Using broken pieces of pottery, they calculate the circumference from a section of the circle. In teams, they compete against one another to get the most accurate...
Lesson Plan
Curated OER

Surface Area of Pyramids

For Teachers 9th - 12th
Students identify the surface area of pyramids and other polygons. For this geometry lesson, students find the different measurements for the different parts of a polygon. They use the surface area formula to solve for the surface...
Lesson Plan
Curated OER

Sir Cumference and the Dragon Pi

For Teachers 6th - 8th Standards
Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...
Lesson Plan
Curated OER

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 Plan
Curated OER

Volume Calculation Exercise

For Teachers 6th - 8th
Middle schoolers work with scientific notation and rounding as they determine volume. In this volume lesson plan, pupils attempt to calculate the volume of the planet Jupiter. They use rounding to two significant digits and scientific...
Worksheet
Mrs. Glosser's Math Goodies

Circumference & Area Worksheet 3

For Students 6th - 9th Standards
You can't go wrong with this series of practice problems about circumference and area. The answer keys are provided, so you can use some or all of the problems without needing to worry about solving beforehand. Some problems have your...
Worksheet
Mrs. Glosser's Math Goodies

Circumference & Area Worksheet 1

For Students 6th - 9th Standards
Don't stress about creating your own problems and use this series of circumference and area worksheets. The problems ask pupil to plug diameter and radius into the formula to solve for area or circumference. The problems also have...
Worksheet
Mrs. Glosser's Math Goodies

Circumference & Area Worksheet 2

For Students 6th - 9th Standards
With plenty of problems to chose from, this series of worksheets provides you different types of area and circumference problems. Your learners can plug diameter and radius in to solve, or they can work backward when the area or...
Lesson Plan
Curated OER

Volume of Cylinders

For Teachers 7th - 10th
Middle and high schoolers calculate the volume of cylinders. In this geometry lesson, learners differentiate between rectangular prisms and cylinders. They use the correct formula to solve for each solid.