Curated OER
Circumference and Area
In this geometry worksheet, middle schoolers answer 10 questions regarding, circumference, area, time, calculating the radius if given a diameter, and polygon recognition.
Curated OER
Circles
Fifth graders investigate the concept of finding the circumference of a circle. They demonstrate why the formula works with a hands on experiment. There is detailed instructions for carrying out the technical portions of the experiment.
Curated OER
All About Circles
In this all about circles instructional activity, students interactively answer 10 multiple choice questions about circles, then click to check their answers.
Curated OER
Circles: Circumference and Area
For this circle worksheet, students calculate the circumference and area of given circles. They determine the perimeter of a shaded area, and give explanations to support problems. This two-page worksheet contains 3 multi-step problems.
Curated OER
Expressions and Operations
In this expressions and operations worksheet, students solve and complete 5 different problems that include reading and solving each individual question. First, they determine the value of each equation given the variables. Then,...
Curated OER
Expressions and Operations
In this expressions and operations instructional activity, students solve and complete 5 different problems that include identifying expressions and using the order of operations. First, they determine the value of a given expression and...
Curated OER
Perimeter, Circumference, Volume, and Surface Area
In this Perimeter, Circumference, Volume, and Surface Area worksheet, students are asked to identify geometric formulas and calculate for volume and surface area for geometric solids. In addition, students are asked to identify...
Curated OER
Circles
In this circles worksheet, 10th graders solve 10 different problems that include determining various types of circles. They write the standard form of the equation of the circle with the given radius and center. Then, students solve each...
Curated OER
Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference instructional activity, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference...
Curated OER
Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume
Students explore perimeter, volume, and area. In this math lesson, students explore how changes in dimensions of geometric shapes affect the perimeter, area and volume of the various shapes. Students investigate the results when the...
Curated OER
Perimeter and Area of Similar Figures
Students determine the relationship between perimeter, circumference, area, surface area, and/or volume of similar figures and their parts. They complete activities related to the question. Answer key included.
Curated OER
Math: Gears and Wheels
Twelfth graders solve problems involving linear and angular speed. Using information about a compact disc, they solve the problem using multiple rates and conversion factors. Students also solve additional problems involving bicycle...
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Using Math Concepts to Collect and Document Specimens
Students determine the length and width of leaf samples to the nearest millimeter and the circumference of trees. They participate in a discussion about the importance of collecting specimens carefully. They compile accurate...
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Angles and Arcs
In this angles and arcs worksheet, 10th graders solve 8 different problems that relate to determining the measure of various angles and arcs of a circle. First, they define a central angle and the difference between a major and minor...
Curated OER
Radius, Diameter and Area
Young scholars identify the radius and diameter of a circle. In this geometry lesson, students calculate the volume and area of a cylinder and circle. They relate the circumference of a circle to Pi.
Houghton Mifflin Harcourt
Similar Polygons and Circles
In these similar polygons and circles worksheets, students complete 15 questions including 9 word problems regarding similar polygons. Students then complete 15 questions including 1 word problem involving circumference, area, and arc...
Curated OER
Calculate the Radius
In this calculating radius worksheet, 6th graders find the radius of 5 circles given the circumference information. Students must write the radius on the line provided and a box is provided to them to show their work.
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Calculate the Area
In this area of a circle worksheet, 6th graders must calculate the area of 5 circles given either the radius or diameter. Students must write the area on the line provided and a blank space is provided for students to work out the...
Curated OER
Investigating Latitude and Longitude
Students examine the lines of latitude and longitude on a map, and explain why these lines might be useful. In this lesson students also explore websites that provide information to improve their understanding of how and why latitude and...
Curated OER
Regents Exam Questions G.G.21: Centroid, Orthocenter, Incenter, and Circumcenter
In this triangles worksheet, learners solve 4 multiple choice problems. Students find the centroid, orthocenter, incenter, and circumcenter or various triangles.
Curated OER
Mensuration: Area
In this area worksheet, students read story problems, draw diagrams, and find the area of described polygons. This eight page worksheet contains six problems. Answers are provided.
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Cap-It to the Max
Eighth graders compare the volume of three cylinders constructed from the same size sheet of paper. They use concrete and graphical models to derive formulas for finding perimeter, circumference, area, and volume of two and three...
Curated OER
Trees
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.
Curated OER
Calculate Radius and Diameter, Estimate Circumference #2
In this radius, diameter and circumference learning exercise, students calculate diameter and estimate circumference of 2 given circles. A reference web site is given for additional activities.