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Circles
In this geometry activity, students solve problems by finding the diameter, radius and chord of a circle. They also solve for the area of the circle. There are 10 questions with an answer key.
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To the Moon
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson, they manipulate snack wrappers to find circumference, diameter, radius and distance.
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Sixth Grade Mathematics Test
For this mathematics worksheet, 6th graders are tested on the mathematics skills. Students use problem solving strategies to work the given equations and situations.
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TT Pies
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...
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Circles
Tenth graders explore and define the radius and diameter of a circle. In this geometry lesson, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and lines tangent to a...
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Finding Areas of Triangles, Rectangles, and Circles
Students find the areas of geometric shapes. In this geometry lesson plan students find and measure the sides, perimeters, and areas of quadrilaterals, triangles, and circles. Students relate the measures to the others by using formulas.
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Circumference and Area of Circles
In this math worksheet, learners learn to calculate the area and circumference of a circle. Students answer 4 word problems after reading the information and studying the examples.
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Square Circles
Students analyze and demonstrate how a circle can be measured in square units and examine how diameter, circumference and radius are related.
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Using Circumference
Students participate in a lesson that covers the concept of finding the circumference of a circle. The teacher covers relevant vocabulary with the students. They work in groups to measure objects and calculate the formula to find the...
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THE AREA OF A CIRCLE
Students examine the relationship between circumference and diameter and how to use the formula to find the area of a circle. In this circle lesson plan students divide into groups and complete an activity.
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The Circumference and Diameter of a Circle
Ninth graders investigate the finding of the diameter of a circle in order to extend the practice towards finding the circumference. They differentiate between the distance measured across a circle from that of around the perimeter.
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Perimeter, Circumference and Area
In this measurement learning exercise, students identify the area, perimeter and circumference of a diagram. They also find the size of a pond based on the diagram shown on the sheet. Finally, students calculate how much carpet is needed...
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Math Practice: Circles
In this circle worksheet, students solve 8 problems: finding percentage increase, finding differences in area and perimeter, finding circumference and area.
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The Librarian Who Measured the Circumference of the Earth
Sixth graders explore angles, triangles, and investigate the circumference of the earth. They participate in a Webquest, access data bases, and communicate with other students through an on-line project site involving the circumference...
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Puck's Girdle
Fifth graders calculate the perimeters, areas, and volumes of everyday objects. They discuss the word problem involving Puck from the Shakespeare play "Mid-Summer Night's Dream," and invent and plan a method for solving the problem in...
101 Questions
Rotonda West, FL
The shortest distance from point A to point B is a straight line—or is it? Young scholars determine the shortest route either along a circular path or through the center of the circle. Learners gain a unique perspective on arc length and...
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Our Solar System - Comparing Planetary Travel Distances
NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...
American Heart Association
Pi Day
Did you know a mathematician's favorite dessert is a fruit "pi"? By participating in a fruit cutting activity, young mathematicians realize one constant—the ratio of a circle's circumference to its diameter is always pi. It is a perfect...
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How Big is Barbie?
Students measure various dimensions of a male and a female dolls body and scale them proportionally to average human measurements. They calculate the appropriate scale factor (magnitude) to enlarge their doll and apply that scale factor...
Radford University
How do I Prepare this Piece of Floor Tile to Lay on the Bottom of my Kitchen Sink Cabinet?
How can you place a rectangular tile around a pipe? Scholars first use a model of a kitchen sink cabinet to take measurements. Using a compass and their knowledge of circles, they then cut out a circle from a piece of poster board (which...
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The Circumference of a Pumpkin
Pupils complete a pumpkin circumference activity. In this pumpkin circumference lesson, students make a raw estimate and use a string to measure the circumference of a pumpkin. Pupils also define the term circumference.
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Circle Mat
In this math worksheet, students use the circle to calculate a variety of problems using circumference or area. The sheet does not have specific directions.
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"Sir Cumference and the First Round Table" by Cindy Neuschwander
Students develop an understanding of measurable attributes of circles; develop a formula to determine the circumference of circles. They approximate the value of pi.
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Around the World
Learners find the circumference of various round objects. In this finding the circumference of various round objects lesson, students find the circumference of the Earth. Learners find the circumference of trees, tires, and other...
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