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Worksheet
Curated OER

Learning Colors and Shapes

For Students 2nd - 4th
In this colors and shapes learning exercise, students look over a box full of different shapes, color the triangles red, squares blue, rectangles yellow, ovals green, circles purple and the diamonds orange.
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Worksheet
Curated OER

Colors and Shapes

For Students K - 1st
In this colors and shapes learning exercise, students review names of shapes and color each shape by following written directions. Students color nine shapes.
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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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Worksheet
Curated OER

Circles and Parabolas

For Students 9th - 12th
In this circles and parabolas, students write and graph equations for 14 problems. Kids locate the center and radius for 8 circles. Students write equations for 4 parabolas.
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Worksheet
Curated OER

Equations of Circles

For Students 10th
In this equations of circles worksheet, 10th graders solve 10 different problems that include graphing different circles. First, they convert the equations into center-radius form given the coordinates of the center of the circle and its...
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Worksheet
Curated OER

Angles in Circles

For Students 10th
In this angles in circles worksheet, 10th graders solve 10 different problems that include tangents and chords and intersecting chords. First, they find x when given 2 intersecting chords. Then, students determine x given the diameter...
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Worksheet
Curated OER

Circles

For Students 10th
In this circles instructional activity, 10th graders solve 10 different problems that include determining the chords, secants, and tangents of circles shown. First, they determine 4 different line segments given a circle with secants and...
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Lesson Plan
Curated OER

Geometry and Quilting

For Teachers 4th - 5th
Students create a quilt square for a class quilt using at least three, two-dimensional geometric figures. They research and write a brief description of at least two different quilt patterns that they find. Pupils discuss that quilts are...
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Lesson Plan
Curated OER

The Geometry of Circles

For Teachers 6th - 12th
Learners 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

Search for the Missing Pi

For Teachers 3rd
Third graders work in groups of two to three with measuring tapes, finding the circumference and diameter of teacher-selected circular items. They relate circumference and diameter measurements to find pi.
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PPT
Curated OER

Circles

For Teachers 3rd - 4th
A very basic presentation on the vocabulary associated with circles has come around. Math whizzes see definitions and examples of the radius, diameter, chord, and central angle of a circle. The last slide says "practice time," but there...
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Lesson Plan
Curated OER

Altitudes and Orthocenters: Making Connections to the Nine-Point Circle

For Teachers 9th - 12th
Young scholars practice various equations for constructing nine-point circles for triangles.
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Lesson Plan
Curated OER

Circles to Spheres

For Teachers K - 3rd
Students investigate circles and spheres. In this space shapes instructional activity, students compare and contrast two-dimensional and three-dimensional shapes. Students investigate the relationship between plane and space shapes.
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Interactive
Curated OER

Circumference of Circle Worksheets

For Students 6th - 12th
In this online math instructional activity, students determine the circumference of a variety of circles given their diameter. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
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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

Word Problems that involve Circles

For Students 10th
In this geometry worksheet, 10th graders solve application word problems based on knowledge of a circle. The one page interactive worksheet contains four questions. Answers and hints are included. 
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Interactive
Curated OER

Area of Shaded Regions that involve Circles

For Students 9th - 12th
In this online math worksheet, high schoolers determine the area of shaded regions within a circle. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
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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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Worksheet
Curated OER

What Is A Ratio?

For Students 3rd - 6th
In this math worksheet, students complete 9 problems where they find ratios of letters in a box and shaded circles of a group. Examples are given in this well-designed worksheet.
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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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Organizer
Curated OER

Chomping Word Choice

For Students 2nd - 4th
In this word choice worksheet, students put words in the circles that would be good word choice for them to use. Students put words into 11 circles.
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Worksheet
Curated OER

Arcs and Chords

For Students 9th - 10th
In 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

Basic Geometry Vocabulary

For Students 10th
In this geometry worksheet, 10th graders match basic vocabulary words relating to angles, circles, quadrilaterals, and transformations in a drag and drop game format.  The one page interactive worksheet contains twenty matching questions...
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Lesson Plan
Curated OER

Ara of Circles

For Teachers 8th - 10th
Pupils identify the differentiate the different properties of circles and parallelograms. In this geometry lesson, students calculate the area of each solid and identify the formula. They relate Pi to the circumference of a circle.