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Lesson Plan
Perkins School for the Blind

Circle Time

For Teachers 1st - 12th
Oftentimes children or teens with one or more disability are reluctant to participate in whole-group activities. Foster good participation, verbal expression, and social skills through daily circle time activities. Each day you and your...
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Activity
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1
Math Learning Center

Grade 2 Supplement Set D5 – Measurement: Telling Time

For Teachers 2nd Standards
Have your class play concentration memory games using analog and digital clocks. Second graders become little experts with time telling to the minute, quarter, half, and hour. Use as a fun Friday treat as well as other...
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Lesson Plan
Curated OER

Super Shapes Part 2 - Circles

For Teachers 5th - 6th
Through the use of Internet, video, and hands-on activities, youngsters learn the parts and characteristics of a circle. This fantastic lesson has some excellent website activities included in the plan. Your kids will have a much greater...
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Lesson Plan
Illustrative Mathematics

Eight Circles

For Teachers 6th - 9th Standards
We are used to finding the area of a circle by plugging the radius into an equation. Here, learners are required to go further to find multiple areas and calculate the difference. They must detect a pattern in order to figure out the...
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Writing
Curated OER

Student Opinion: Do You Spend Too Much Time on Smart Phones Playing 'Stupid Games'?

For Students 7th - 12th
This versatile resource from The New York Times website provides a short opinion piece on smart phones and the amount of time we spend playing games on them as well as several possible writing prompts pupils could consider in response to...
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Lesson Plan
Texas Instruments

Drawing a Line Tangent to a Circle

For Teachers 9th - 12th Standards
Explore lines tangent to a circle. In this math lesson, students manipulate circles and lines on a TI calculator. They draw a circle  and analyze perpendicular lines intersecting the circle in only one place. This activity works best if...
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Lesson Plan
Curated OER

Area of Circles and Probability

For Teachers 8th - 12th
Young scholars investigate the area of squares and circles. In this geometry lesson, students calculate the area and probability of simple events. They work on a laptop using Safari.
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Worksheet
Curated OER

Interpreting Circle Graphs

For Students 4th - 6th Standards
What does this pie chart mean? Once scholars can analyze a circle graph on a basic level (i.e. "Most people prefer cats"), it's time to delve deeper into it. They examine two graphs here, and are given the total number of participants...
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Worksheet
Curated OER

Unit VIII Worksheet 5: Circular Motion

For Students 9th - 12th
Seven problems send physics stars out of this world! Challenge learners to calculate centripetal force, time to complete revolutions, circular speed, and acceleration. They also are asked to explain scenarios and draw a force diagram for...
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Instructional Video3:29
PBS

Scale City — Scaling up Recipes and Circles in the Real World

For Students 6th - 7th Standards
What a great big skillet you have. The resource introduces the class to the world's largest stainless steel skillet. The class creates a model of the skillet and a typical 12-inch skillet and compares the relative sizes of their areas....
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Assessment8:43
Mathed Up!

Area and Circumference of Circles

For Students 8th - 10th Standards
Don't go around and around, help your class determine amounts around and in a circle with a video that connects circumference to the perimeter or the distance around an object. The resource includes 14 questions dealing with circles and...
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Lesson Plan
Illustrative Mathematics

Seven Circles III

For Teachers 9th - 11th Standards
A basic set-up leads to a surprisingly complex analysis in this variation on the question of surrounding a central circle with a ring of touching circles. Useful for putting trigonometric functions in a physical context, as well as...
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Assessment
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Balanced Assessment

Square and Circle

For Students 9th - 12th Standards
To determine the dimensional change to quadruple the area, class members determine how to increase the dimensions of a square and a circle to increase the perimeter by a given factor. they then calculate the necessary factor to create...
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Lesson Plan
EngageNY

Rectangles Inscribed in Circles

For Teachers 9th - 10th Standards
Putting a rectangular object into a circular one—didn't the astronauts on Apollo 13 have to do something like this? Learners first construct the center of a circle using perpendiculars. They then discover how to inscribe a rectangle in a...
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Lesson Plan
2
2
Illustrative Mathematics

Making a Clock

For Teachers K - 2nd Standards
Have a fun time teaching children to read analog clocks with this whole-group math activity. Using large sets of the numerals 1-12 and 0, 5, 10...55, the teacher creates a large clock on either the carpet or the white board, explaining...
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Interactive
CK-12 Foundation

Restricted Domain and Range: Restricted Circle Radius and Area

For Students 9th - 12th Standards
There's no restriction to how much your class can learn about domain and range. Users of an interactive adjust the radius of a circle to see its effects on the area. They note how restrictions in the domain (radius) relate to...
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Assessment
Inside Mathematics

Circles in Triangles

For Teachers 9th - 12th Standards
Challenge the class with inscribed circles in triangles. The assessment task requests class members use their knowledge of circles and right triangles to prove two triangles are congruent. They go on to utilize their knowledge of...
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Lesson Plan
Curated OER

Counting Circles

For Teachers K Standards
Here is another learning game that will engage your kindergartners and support them with their counting fluency. Forming a circle where everyone faces inward, choose a counting sequence (counting frontward or backward) with no more than...
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Lesson Plan
Curated OER

Exploring Circles

For Teachers 9th - 12th
Students explore circles using a graphing calculator. In this circles lesson, students write the equation of a circle with a given center and radius length. Students find the most appropriate model for each combination of data they...
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Lesson Plan
Curated OER

Telling Time

For Teachers K - 5th
Young learners participate in activities which help them understand analog clocks, and the vocabulary of telling time. They examine the values of the intervals of minutes and hours by making a human clock.
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Worksheet
Curated OER

Circle Graphs

For Students 4th - 6th
For this circle graphs worksheet, students solve and complete 8 different problems that include word problems referring to two different circle graphs shown. First, they follow the directions for each problem and complete the table that...
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Worksheet
Curated OER

Compare Time

For Students 2nd
In this estimating time worksheet, 2nd graders solve 6 problems in which the time it takes to perform a specific task is estimated. Students choose an estimate from two answers.
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Worksheet
Curated OER

Word Search Y6 Time

For Students 3rd - 6th
In this math-themed word search worksheet, students examine the 21 time-related words and names in the word bank and locate them in the word puzzle.
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Lesson Plan
Curated OER

Inner Circle/Outer Circle Debate Strategy

For Teachers 3rd - Higher Ed
Arranged in facing concentric circles, half the class discusses an issue. The other half of the class takes notes which are then used to fuel a class discussion and to prepare editorial opinions on the topic at hand. So much emphasis is...

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