Curated OER
Calculate the Circumference
In this calculate the circumference worksheet, 7th graders find the circumference given the diameter of 4 circles; the formula and the answers are provided.
EngageNY
Thales’ Theorem
Isn't paper pushing supposed to be boring? Learners attempt a paper-pushing puzzle to develop ideas about angles inscribed on a diameter of a circle. Learners then formalize Thales' theorem and use geometric properties to develop a proof...
Math Mammoth
Circles
Your class examines a series of shapes and discusses how we know that they are not circles. In this way, you begin to acquaint them with the properties and parts of this geometric figure. Then, teach them how to use a protractor to...
Curated OER
Circles
In this circles learning exercise, 10th graders solve and complete 16 various types of problems. First, they state the center and radius for the given equation and graph. Then, students determine if each point is on the circle, in its...
Curated OER
Area Of Circles
In this math worksheet, students complete 12 problems where they find the radius and the area of circles. Examples are given in this well-designed worksheet.
Curated OER
Area Of Circles
In this math worksheet, students complete 23 problems where they find the area of circles when the radius, diameter, or circumference is given. Examples are given in this well-designed worksheet.
Mrs. Burke's Math Page
The Amazing Pi Race
Add a sense of excitement to your math class with this race across the country. Using their knowledge of all things circular, young mathematicians work in pairs answering a series of pi-related word problems as they hop from one city to...
Curated OER
Circumference and Area of Circles
In this circumference and area instructional activity, learners find each for a set of 12 given circles; either diameter or radius are given. A website reference for additional resources and answers are provided.
Curated OER
Triangles Inscribed in a Circle
Are you tired of answers without understanding? Learners can give a correct response, but do they really understand the concept? Have young mathematicians think deeper about linear functions, angles, and formulas in algebra....
Curated OER
Discovering the Magical Pi
Middle schoolers calculate pi using data on the circumference and diameter of various objects. They define key vocabulary terms, measure the circumference and diameter of various circular objects, organize the data on a table or chart,...
Curated OER
3.14159265
High schoolers discover the value of Pi. In this value of Pi lesson, students measure the circumference and diameter of various circles on their graphing calculator. High schoolers find the ratio of the circumference to the...
Curated OER
Around the Clock
Students discover the relationship between the circumference of a circle and its diameter. They find the length of an arc of a circle.Students use estimation strategies in real-world applications to predict results (i.e., interpolation...
Curated OER
Discovering Pi
Define terminology related to a circle. Practice accuracy in measuring and then create a spreadsheet based on data collected from solving for parts of a circle. Groups can have fun analyzing their data as it relates to Pi.
Curated OER
Bubble Mania
Elementary schoolers practice measuring a soap bubble print. They follow a recipe to make a soap bubble solution. Pupils use the soapy solution to blow large bubbles with a plastic drinking straw until they pop leaving behind a circular...
Curated OER
Making a Six-pointed Star
In this polygon worksheet, students identify and create a six-pointed star by completing 6 steps. First, they use a compass to trace a circle with a given radius. Then, students draw a point on circumference of the circle and place the...
National Research Center for Career and Technical Education
Transportation, Distribution, and Logistics: Tire and Wheel Assemblies
Is bigger really better? By the end of this lesson, learners will be able to apply formulas for computing the diameter of tires and wheel assemblies. Begin by showing a slide presentation that will review definitions for radius and...
Curated OER
Tennis Ball Tubes
Students determine whether the height of a tennis ball tube or the distance around the tube is greater, or whether they are the same. Using the formula for the circumference and diameter of a sphere, they discuss the word problem, and in...
Curated OER
Approximation of Pi
High schoolers explore the concept of Pi. In this Pi lesson, students measure the circumference and diameter of a circle. High schoolers record the diameter and circumference measurements from their classmates. Students...
Curated OER
Discovering The Ratio Pi And The Diameter
Students relate the ratio of Pi to the diameter of a circle. In this geometry lesson, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and diameter and find...
Curated OER
Circles Area Perimeter and Circumference
In this circles worksheet, students calculate to find the area, radius, circumference and perimeter of circles. A reference web site is given for additional activities.
Curated OER
Circles: Finding Circumference
In this circles worksheet, high schoolers find the circumference of 20 circles. Students find the circumference given the radius, diameter, and area of various circles.
Curated OER
Circle Area, Perimeter and Circumference
In this area, perimeter, and circumference activity, learners 7 questions that require them to fill in 7 blank circles with the information they are provided and calculate the desired answers.
Curated OER
Word Problems that involve Circles
In this online math worksheet, students solve word problems the involve circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Houghton Mifflin Harcourt
Developing Formulas for Circles and Regular Polygons
Formulas and procedures for finding the area and circumference are not provided on this handout, so it will be best used as a practice of already-acquired skills. It is a well-rounded assignment, however, as it includes diagrams,...
Other popular searches
- Circles/circumference/diameter
- Circle Radius Diameter
- Area Circle Radius Diameter
- Circle Radius Diameter Chord
- Circles Radius Diameter
- Circles Diameter and Radius
- Circle Radius and Diameter
- Radius and Diameter of Circles