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Lesson Plan
Curated OER

Circumscribed Polygons

For Teachers 9th - 10th
Learners investigate polygons and construct ferris wheels. In this geometry lesson, students create a circle and differentiate properties of circles and polygons. They compare the relationship between angles and circumscribed polygons.
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Worksheet
Curated OER

Circumference and Area

For Students 10th
In this circumference and area instructional activity, 10th graders solve nine problems relating to geometric shapes. They find the circumference of a circle and the perimeter of a triangle and a six-sided figure. Students also find the...
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Worksheet
Curated OER

Geometry Regents Bimodal

For Students 9th - 10th
For this geometry worksheet, students solve problems that are bimodal. They define properties of circles and triangles. There are 117 questions.
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Lesson Plan
Curated OER

Circular "Mandala"

For Teachers 7th - 12th
Students create a nonobjective design from a magazine photo (or personal photograph) using a view finder. By using colored pencils the drawing use layers to recreate the colors in the magazine picture.
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Worksheet
Curated OER

Convolution

For Students 12th - Higher Ed
In this circular convolutions worksheet, students solve 8 different problems that are related to circular convolutions. They let g be defined by an arbitrary vector and determine the formula for 8 samples for f and g. Then, students find...
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Lesson Plan
Curated OER

Geometry in Nature

For Teachers 6th - 7th
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.
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Lesson Plan
Curated OER

A Dreamer's Cloak

For Teachers 1st - 5th
Learners 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.
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Lesson Plan
Curated OER

Christmas Presents

For Teachers 7th
Seventh graders create a graph of their Christmas gifts. They develop categories, compute fractional and decimal parts for each category, identify the number of degrees to represent each fractional part, and create a circle graph to...
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Worksheet
Curated OER

Shapes

For Students K - 2nd
In this geometry worksheet, students choose the correct name to match the shape given. Students identify the words for oval, rectangle, square, circle, triangle, and diamond.
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Worksheet
Curated OER

Color and Shapes

For Students Pre-K - 1st Standards
In this shape coloring worksheet, students color the squares red, the circles blue, and the triangles green. There are 9 shapes on this page to color.
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Lesson Plan
Curated OER

Types of Graphs

For Teachers 5th
Fifth graders construct graphs. For this graphing lesson, 5th graders learn about various types of graphs such as bar, line, circle, picture and stem and leaf plot. Students work in groups to create examples of each graph.
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Lesson Plan
Curated OER

Shapes...the Beginning of Geometry

For Teachers K - 1st
Students identify and name basic shapes and points. In this elementary geometry lesson, students use printable cut outs to name circles, triangles, and squares before playing a game with them. They play a game of "Pin the Tail on the...
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Lesson Plan
Curated OER

Pi

For Teachers 6th
Sixth graders read the book "Sir Cumference and Knights of the Round Table" to introduce them to the concept of Pi. As a class, they discover where Pi originated and define the terms circumference, radius and diameter. To end the...
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Worksheet
Curated OER

Learning Shapes

For Students 4th - 6th
In this learning shapes worksheet, students match given shapes to their proper name. In addition, students count the number of shapes identified in a model. Shapes include a rhombus, square, circle, hexagon, trapezoid, rectangle,...
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Worksheet
Curated OER

Shape Search

For Students 2nd
In this visual thinking instructional activity, 2nd graders determine how many smaller shapes are within the four larger shapes. Shapes include circles, rectangles, triangles, and squares.
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Worksheet
Curated OER

Names of 2D Shapes

For Students 2nd - 3rd
In this 2D shapes worksheet, learners fill in the blanks to name and describe the following four 2D shapes: circle, square, triangle and rectangle.
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Worksheet
Curated OER

Shape Matching Worksheet

For Students Pre-K - K
When practicing identifying shapes, students need a variety of ways to practice this skill. Using this worksheet in which students match basic geometric shapes, students review their knowledge. The worksheet has students match four...
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Worksheet
Curated OER

Shape Identification Worksheet

For Students K - 1st
In this shape identification worksheet, students mark the correct answer to each of 4 multiple choice questions while working on-line. They choose from 4 choices as they identify a square, triangle, circle, and rectangle. They print the...
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Worksheet
Curated OER

The Tower of Hanoi

For Students 8th - 12th
In this Hanoi problem, students explore the movement of eight circular discs fastened to a stand, all of different sizes.  Students find the smallest number of moves necessary to stack the discs from the largest to the smallest.  The...
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Worksheet
Curated OER

Arcs and Chords

For Students 9th - 10th
For this circles worksheet, students find missing arc lengths and chords.  Students also find the length of radii in three problems.
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Interactive
Curated OER

Segment Formulas Multiple Choice

For Students 10th
In this geometry worksheet, 10th graders use the theorems regarding circles and tangents to find the indicated missing segment length.  The one page interactive worksheet contains ten problems.  Answers are included. 
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Worksheet
Curated OER

Radius, Diameter and Circumference of Circles

For Students 4th - 6th
For this circles worksheet, learners calculate either the radius, diameter and circumference of a set of 4 circles, one measurement is given for each circle, students calculate the remaining 2. 
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Worksheet
Mrs. Glosser's Math Goodies

Circumference & Area Worksheet 1

For Students 6th - 9th Standards
Don't stress about creating your own problems and use this series of circumference and area worksheets. The problems ask pupil to plug diameter and radius into the formula to solve for area or circumference. The problems also have...
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Worksheet
Mrs. Glosser's Math Goodies

Circumference & Area Worksheet 2

For Students 6th - 9th Standards
With plenty of problems to chose from, this series of worksheets provides you different types of area and circumference problems. Your learners can plug diameter and radius in to solve, or they can work backward when the area or...

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