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Lesson Plan
Houghton Mifflin Harcourt

Developing Formulas for Circles and Regular Polygons

For Teachers 6th - 10th Standards
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,...
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Lesson Plan
1
1
Curated OER

Collaborative Literature Circle For the 21st Century

For Teachers 4th - 6th
Using ichat or Edmodo 4th -6th graders participate in an inter-school literature circle. Students from two different schools pair up online through ichat and use a blog to conduct a book circle. This lesson plan is wonderful; it fully...
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Lesson Plan
Curated OER

Circle multiplication: 7s and 8s

For Teachers 1st - 7th
Learning tools are invaluable. Teach your Autistic or special needs pupils how to multiply by 7s and 8s. They will use the circles to match the correct answer to the correct single-digit equation. Great for reinforcing multiplication...
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Worksheet
Math Worksheets Land

Partitioning Circles and Rectangles - Step-by-Step Lesson

For Students 1st - 2nd Standards
Rather than a worksheet, this teacher resource is a one-page, scripted answer sheet for a guided lesson on partitioning circles and rectangles. First or second graders are asked to identify which figure shows halves. While the pupil...
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Worksheet
Curated OER

Match the Shapes

For Students Pre-K - K Standards
Which shape is the same? Young geometers match a triangle, circle, rectangle, and square to their identical counterparts, connecting them with a line from left to right. Then, they do the same thing with a set of four circular shapes,...
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Worksheet
Curated OER

MAP Practice

For Students 9th - 11th
In this geometry activity, students create circle, line and bar graphs using different comparisons of events. There are 24 questions with an answer key.
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Worksheet
Curated OER

Unit VIII: Worksheet 2 - Centripetal Force

For Students 9th - 12th
Circular motion can make you loopy! On this physics worksheet, learners practice solving problems regarding centripetal force, rotational period, speed, acceleration, and more. A flying aerobat and a couple of amusement park rides make...
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Worksheet
Curated OER

Typical Numeric Questions for Physics I - Motion

For Students 9th - 12th
Seven pages with 33 multiple choice questions about motion make up this worksheet. Calculations must be performed in order to choose the correct answer. Physics majors will solve for angles, displacement, acceleration, speed, and time...
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PPT
Curated OER

The Shape Song

For Teachers Pre-K - 2nd
As a review of geometric shapes, such as circles, triangles, and squares, this resource would be a terrific addition to a classroom lesson. The visuals are inviting and the number of sides to each figure are also identified. In addition,...
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PPT
Curated OER

Geometry

For Teachers K - 2nd
What a fun activity for younger learners! Using this resource, they can discuss the attributes of squares, rectangles, triangles, circles, and ovals, and also engage in a motivating activity. For those learning about simple shapes, this...
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Worksheet
2
2
Curated OER

2-Dimensional Shapes: Coloring Shapes

For Students K - 1st Standards
For beginners to color, number, and shape theory, this is a great way to solidify skills. They use a key at the top to determine which color (yellow, green, purple, or blue) to shade each shape (square, triangle, circle, and rectangle,...
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Lesson Plan
Illustrative Mathematics

Alike or Different Game

For Teachers K Standards
How are a circle and triangle alike? How are they different? These are the types of questions children will answer while playing this fun geometry game. Including a variety of conventional and unconventional shapes, this activity allows...
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Worksheet
Curated OER

Calculate Area Using Pi

For Students 7th - 9th
Geometers find the area of four circles given their circumferences. Circumference is presented in the form of "numeral (diameter) x pi"; the answer key shows solutions as  "numeral (radius squared) x pi," so computation is limited to...
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Worksheet
Curated OER

Circles Area Perimeter and Circumference

For Students 5th - 6th
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.
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Worksheet
Curated OER

Circle Area, Perimeter and Circumference

For Students 6th - 8th
In this area, perimeter, and circumference worksheet, students 7 questions that require them to fill in 7 blank circles with the information they are provided and calculate the desired answers.
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Interactive
Curated OER

Circle Problems - Radius, Diameter, Circumference and Area

For Students 9th - 12th
In this online math activity, students determine the radius, circumference, diameter and area of circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
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Interactive
Curated OER

Word Problems that involve Circles

For Students 9th - 12th
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!
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Interactive
Curated OER

Area of Circle Worksheets

For Students 10th
In this geometry worksheet, 10th graders calculate the area of circle give either the radius or the diameter. The one page interactive worksheet contains ten questions. Answers and  hints are included. 
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Worksheet
Curated OER

Circles: Finding Circumference

For Students 9th - 12th
In this circles activity, students find the circumference of 20 circles.  Students find the circumference given the radius, diameter, and area of various circles.
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Worksheet
Curated OER

Learning About Circles

For Students 3rd
In this geometry worksheet, 3rd graders practice drawing 5 circles by tracing dotted lines. They use the empty space to print circles independently. They examine shapes in a box at the bottom of the page before coloring 5 circles of...
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Lesson Plan
Curated OER

Cecil the Centipede Is Carrying a Circle

For Teachers Pre-K - K
In this circles worksheet, students learn to draw and recognize circles. Students trace two dotted examples before drawing some of their own. Students color all the circles in a row of geometric shapes.
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Worksheet
Curated OER

Learning Circles

For Students Pre-K - K
In this learning circles worksheet, students trace circle, and draw their own, then pick 5 circles out of a collection of different shapes and color them.
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Worksheet
Curated OER

Perimeter of a Circle Worksheet

For Students 6th - 8th
In this perimeter of circles learning exercise, students find the perimeter of 6 circles given a diameter.  Students find the perimeter in terms of Pi.
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Worksheet
Curated OER

Write the Parts of the Circle in the Place Holders

For Students 9th - 11th
In this parts of a circle worksheet, students place the names of 6 different parts of a circle in rectangular place holders. They use labels such as cord, secant, diameter, radius, tangent, and center.

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