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Worksheet
Curated OER

Cross Sections and Collision Times

For Students 9th - 12th
High schoolers solve five problems including finding the cross sectional area of two bodies, determining the swept out volume of a moving body, finding the average particle volume of a body and determining the collision time for a body.
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Worksheet
Curated OER

Telling Time: Half Hours

For Students 1st - 2nd
Young mathematicians circle the clock in each of two rows that shows the time that is written. Everyone draws the hands on four clocks to display the times (to the half hour) shown. A good, basic learning exercise.
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Assessment
Mathed Up!

Circle Theorems

For Students 9th - 12th
Explore theorems involving circles. Individuals watch a video that reviews the basic parts of a circle. They learn about circle theorems and compete a worksheet of problems that use these theorems — putting their skills to work right away!
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Lesson Plan
Virginia Department of Education

Angles, Arcs, and Segments in Circles

For Teachers 9th - 11th Standards
Investigate relationships between angles, arcs, and segments in circles. Pupils use geometry software to discover the relationships between angles, arcs, and segments associated with circles. Class members use similar triangles to...
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Lesson Plan
Dick Blick Art Materials

Start with a Circle...

For Students K - 12th
The Golden Ratio. The Divine Proportion. Yup. It's math and art blended into one colorful activity. Young artists combine colored tissue paper circles and parts of circles to create geometric patterns. As a bonus, kids get to figure out...
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Lesson Plan
Curated OER

Time

For Teachers 6th - 12th
Students make a sundial. In this time instructional activity, students determine the time of the day by creating a sundial. They check the time on the sundial, hourly, for one week. Afterward, they explore what happened to the shadows in...
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Lesson Plan
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Illustrative Mathematics

Right Triangles Inscribed in Circles II

For Teachers 9th - 10th Standards
So many times the characteristics of triangles are presented as a vocabulary-type of lesson, but in this activity they are key to unraveling a proof. A unique attack on proving that an inscribed angle that subtends a diameter must be a...
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Lesson Plan
Avi Writer

The Cross of Lead, At the Edge of the World, and The End of Time

For Teachers 5th - 7th
A fan of Ari's Crispin trilogy? Here is a packet that contains study guides for all three Crispin novels: The Cross of Lead, At the Edge of the World, and The End of Time.
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Lesson Plan
Curated OER

Discovering Pi/Welcome to Pi Day

For Teachers 9th - 12th
Students explore pi. In this circle measurement lesson plan, students define and identify radius, diameter, circumference, and perimeter. Students work in groups to measure several plastic lids and record their findings. Students compare...
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Lesson Plan
Curated OER

ASL: Building a functional vocabulary

For Teachers 2nd - Higher Ed
Best resource ever! Teaching and learning to teach ASL just got easier. For special education teachers or those working with hearing impaired students, this lesson plan provides story and time telling practice using ASL. Each blue link...
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Lesson Plan
Curated OER

Calendar Time

For Teachers K Standards
Use circle time to work on counting. Kindergarteners practice the months of the year, say the full date, chart the day's temperature, count to 100, and sing the alphabet song. This kind of daily routine cultivates deep roots for...
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Lesson Plan
2
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Curated OER

Civil War Literature Circle

For Teachers 5th - 8th Standards
Historical fiction can be a valuable asset when learning about the past. Integrate several novels written about the Civil War into your social studies unit, with groups of four working collaboratively to comprehend the novel from...
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Lesson Plan
Curated OER

Parachutes, Circles and Pi...Oh My!

For Teachers 6th - 7th
Students explore different size circles to discover the relationship between diameter and circumference. In this circles and Pi lesson, students construct simple parachutes using circle patterns of varying sizes. Students predict the...
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Lesson Plan
Curated OER

It's My Time!

For Teachers 6th - 8th
Students create a pie chart.  In this time lesson, students determine the amount of time they spend on given activities.  They create a pie chart diagraming the data.  Students share their graphs with the class.
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Worksheet
Raytheon

Geometry: Circles

For Students 6th - 8th
In this geometric circumference worksheet, 8th graders calculate the circumference of each of the 18 circles. The remaining pages of the worksheet include formulas and lesson ideas on finding the circumference of circles.
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Lesson Plan
Curated OER

Time

For Teachers K
Students review the concept of the hour. In this time instructional activity, students understand how the hour hand works. Students have another clock which also shows the minute hand. Students recognize the position of the minute hand.
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Lesson Plan
Curated OER

Circle Circus

For Teachers 3rd
Third graders find the radius and diameter of a bubble. In this radius and diameter lesson, 3rd graders create bubbles on their desk and find the radius and diameter of the bubble. Students work in partners to define circle terms and...
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Worksheet
Curated OER

Circles

For Students 3rd - 4th
In this circles worksheet, students fill in 6 fill in the blank statements about circles and solve calculate the answers to 13 questions involving different measurements of circles.
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Lesson Plan
Curated OER

The Geometry of Circles

For Teachers 6th - 12th
Students review the parts of a circle, calculate the circumference and area of a circle, and create student-made tests on the geometry of circles using educational software.
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Lesson Plan
Curated OER

Creating Circles

For Teachers 7th - 8th
Students make a circle graph. In this graphing lesson, the teacher conducts a class survey, then demonstrates how to make a pie graph. When students are comfortable with the material, they use a worksheet to create their own graph.
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Worksheet
Curated OER

Circles Terminology Multiple Choice

For Students 9th - 12th
In this circles worksheet, students solve 10 multiple choice problems. Students answer questions about diameter and chord relationships, tangent lines to a circle, circumference, the Pi relationship, etc.
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Worksheet
Curated OER

Circles - Word Problems

For Students 6th - 7th
For this geometry problem solving worksheet, students answer 8 words problems based on their knowledge of circles, circumference, radius, diameter, and perimeters. They show their work on the sheet between problems.
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Lesson Plan
Curated OER

Time & Itineraries Two

For Teachers 1st - 2nd
Students explore time management by participating in itinerary activities. For this time telling lesson, students identify how to read a clock, how to communicate the time to others and how to plan for events in the day. Students...
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Worksheet
Curated OER

Problem Solving Application: Using Circle Graphs

For Students 4th
In graphing worksheet, 4th graders use the information from a circle graph about carnation sales to complete the steps of problem solving. They determine what they know, and how they can use the graph. They find how many more pink...

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