Curated OER
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...
Curated OER
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.
Curated OER
"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...
Curated OER
How Big Is a Piece of PI?
High schoolers explore the ratio of circumference to diameter in order to estimate a value for pi.
Curated OER
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.
Curated OER
Measuring the Earth
Young scholars 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.
Curated OER
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.
Curated OER
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.
Curated OER
Circular Motion
Ninth graders explore circular motion. In this centripetal force lesson students complete a lab activity while in groups.
Curated OER
Circle Terminology
For 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.
Curated OER
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.
Curated OER
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.
Curated OER
Building a House Using Circles
Students study circles and problem solving. In this critical thinking instructional activity, students build a house using all of the circles given to them gluing them onto paper.
Curated OER
Kinematics of the Planar Continuum Snake Robot
Students calculate the length of an arc that surrounds an angle at the center of a circle of radius. In this kinetic equations lesson students complete a lab and solve a kinematic equation.
Curated OER
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.
Curated OER
Care Homework #2
For 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...
Texas Instruments
Circle Equations
Pupils explore the coordinate plane. In this secondary mathematics lesson, students follow a set of directions to plot points in the coordinate plane.
Curated OER
Evaluating the Products of Chords of a Circle
Students investigate chords and make predictions. In this geometry lesson plan, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
Curated OER
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.
Curated OER
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.
Curated OER
The Circumference of a Pumpkin
Students complete a pumpkin circumference activity. For this pumpkin circumference lesson, students make a raw estimate and use a string to measure the circumference of a pumpkin. Students also define the term circumference.
Curated OER
Calculate Radius and Diameter, Estimate Circumference #2
In this radius, diameter and circumference activity, students calculate diameter and estimate circumference of 2 given circles. A reference web site is given for additional activities.
Curated OER
Rectangles and Squares
Students identify two dimensional shapes in the school environment. For 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...
Curated OER
2D Shapes-Circles
In this circles worksheet, students view a set of different sized circles. Worksheet is for reference and has no associated activities.