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A Dreamer's Cloak
Students listen to the teacher read "A Dreamer's Cloak." They examine the difference between squares and circles and create their own cloak by using a paper bag and different shapes.
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"School Shape Scavenger Hunt"
Students, in groups, venture onto the schoolground on a scavenger hunt for shapes. They are given tasks: recorder, team leader, presenter, reporter, and behavior guidelines and a time limit. They search the school for shapes found in...
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How Big Is a Piece of PI?
High schoolers explore the ratio of circumference to diameter in order to estimate a value for pi.
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Geometry in Nature
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.
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Measuring the Earth
Students identify types of arcs and angles in a circle, find the measure of arcs and angles, and solve real world problems involving lengths of segments in circles, lengths, and areas.
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Finding The Circumference Given The Radius
Students develop an understanding of pi and the relationship between the diameter, radius and circumference. After a lecture/demo, students use construction paper and a compass to solve problems using diameter, radius and circumference.
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Taxicab Metric, Circle
Students create a circle using the taxi-cab metric. In this geometry lesson, students identify the properties of circles. They identify the idea of geometric shapes and how they come about.
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Circular Motion
Ninth graders explore circular motion. In this centripetal force lesson students complete a lab activity while in groups.
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Circle Terminology
In this geometry worksheet, students identify radii, diameters, chords, tangents, secants and other terminology associated with circles. The one page worksheet contains eighteen problems. Answers are not provided.
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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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Measuring the Sun's Diameter
Students project and measure the suns image using a refracting telescope. In this sun's diameter lesson students calculate the magnification of the telescope and determine the diameter if the Sun.
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Building a House Using Circles
Students study circles and problem solving. In this critical thinking lesson, students build a house using all of the circles given to them gluing them onto paper.
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Kinematics of the Planar Continuum Snake Robot
Young scholars calculate the length of an arc that surrounds an angle at the center of a circle of radius. In this kinetic equations lesson plan students complete a lab and solve a kinematic equation.
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Whiskery Lake Problem
In this Geometry worksheet, 10th graders solve a problems involving area of a circle given information regarding surface area. The one page worksheet contains one problem with answer.
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Care Homework #2
In this Care Homework worksheet, students solve a variety of multiple digit addition, subtraction, multiplication, and division problems that include fractions, decimals, and percentages. They demonstrate knowledge of geometric formulas...
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Circle Equations
Learners explore the coordinate plane. In this secondary mathematics lesson, students follow a set of directions to plot points in the coordinate plane.
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Evaluating the Products of Chords of a Circle
Students investigate chords and make predictions. In this geometry instructional activity, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
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Identifying Shapes
In this identifying shapes worksheet, 3rd graders identify the picture and choose its correct shape from the choices given, then check answer online.
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What do you know?
In this newspaper article worksheet, students listen to the article their teacher reads and put a check if they know about the sentences the teacher reads or a circle if it is new information. Students do this for 6 sentences.
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The Circumference of a Pumpkin
Students complete a pumpkin circumference activity. In this pumpkin circumference instructional activity, students make a raw estimate and use a string to measure the circumference of a pumpkin. Students also define the term circumference.
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Calculate Radius and Diameter, Estimate Circumference #2
In this radius, diameter and circumference worksheet, students calculate diameter and estimate circumference of 2 given circles. A reference web site is given for additional activities.
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Rectangles and Squares
Students identify two dimensional shapes in the school environment. In this basic shapes lesson, students watch a video about rectangles and squares. Students find examples shapes in their classroom and draw them. Students present their...
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2D Shapes-Circles
In this circles worksheet, students view a set of different sized circles. Worksheet is for reference and has no associated activities.
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Measurement, Perimeter and Area
Learners explore the concept of measurement. In this measurement instructional activity, students collect data about themselves such as height, finger length, neck circumference, foot length, and other body measurements. Learners cut...