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Activity
Noyce Foundation

Tri-Triangles

For Students K - 12th Standards
Develop an understanding of algebraic sequences through an exploration of patterns. Five leveled problems target grade levels from elementary through high school. Each problem asks young mathematicians to recognize a geometric pattern....
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Interactive
Annenberg Foundation

Geometry 3D Shapes: Euler's Theorem

For Students 6th - 10th Standards
How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...
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Assessment
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Balanced Assessment

Disc-Ness

For Students 9th - 12th Standards
Transform your scholars into mathematicians as they develop their own geometric definition. The task asks individuals to compare cylindrical objects and create a definition for the disc-ness of each object. They may use any method and...
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Worksheet
Curated OER

Side Lengths of Similar Shapes

For Students 7th - 10th
In this geometry skills worksheet, learners examine 4 pairs of similar shapes and use their problem solving skills and the information provided to calculate the length of segments.
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Worksheet
Curated OER

Squares and Triangles in a Picture

For Students K - 1st
In this geometric shapes worksheet, students analyze a picture of a house and trace all the squares and triangles. Students color the shapes according to the directions.
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Worksheet
Curated OER

Symmetry: Shapes

For Students 4th - 5th
In this symmetry worksheet, students analyze 6 geometric shapes and determine if the shape has symmetry. Students mark "yes" or "no".
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Lesson Plan
Curated OER

Cut, Construct and Think 3

For Teachers 5th - 8th
Young scholars identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
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Lesson Plan
Curated OER

Cut, Construct and Think - 4

For Teachers 5th - 8th
Students identify polygons. In this geometric shapes lesson, students identify and describe polygons. Students create new shapes out of the shapes they are given.
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Lesson Plan
Curated OER

Geometry House!

For Teachers 4th
Fourth graders use computer drawing tools to create a house of geometric shapes.
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Lesson Plan
Curated OER

The Folding Problem

For Teachers 9th
Ninth graders experiment with paper folding to create geometrical shapes. Students analyze the Copymaster of the problem. After the students have worked on their own for a while, stop them and discuss.
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Lesson Plan
Curated OER

Cover the Triangle

For Teachers 1st - 2nd
Learners explore geometric shapes using pattern blocks. They use specific shapes to fill in triangles, color-in their solutions, and discuss the results with a partner.
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Worksheet
Curated OER

Geometry

For Students 4th - 5th
In this congruent figures learning exercise, students analyze a geometric shape and choose from the answer box any figures that are congruent to that shape. There are 3 problems.
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Lesson Plan
Curated OER

ExplorA-Pond:2nd Grade Shapes & Fractions

For Teachers 2nd
Second graders, in groups, using a map, drawing or aerial view of a pond, represent the shape of the pond using simple geometric shapes or fractions of those shapes.
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Lesson Plan
Curated OER

Seeing Shapes

For Teachers K - 1st
Students discover different geometric shapes such as triangle, square, rectangle, and octagon. Students incorporate the use of technology by taking pictures of shapes around their school using a digital camera.
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Lesson Plan
Curated OER

Navajo Yei

For Teachers K
Students explore geometry in Navajo culture. In this geometry activity, students search for different geometrical shapes in Navajo art. Students then create their own rug or jewelry design using geometrical shapes.
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Worksheet
Curated OER

Circles and Parabolas

For Students 6th - 11th
In this circles and parabolas worksheet, students follow directions to draw parabolas. They fold paper to represent a parabola. Students also use straight lines to create a circle. This one page worksheet contains three multi-step...
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Worksheet
Curated OER

Bold Bridges

For Students 5th - 6th
For this science worksheet, students collaborate in performing an investigation regarding the best bridge construction for maximum strength. Students build several designs of bridges out of pins, straws, fishing line, and small Styrofoam...
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Lesson Plan
Curated OER

Squares

For Teachers Pre-K - K
Learners identify shapes that are squares. In this square lesson, students identify the square items and then sing songs about squares.
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Worksheet
Curated OER

Geometric Word Problems

For Students 10th
In this geometric figures worksheet, 10th graders solve and complete 11 different word problems. First, they find the area of a regular octagon with a given side. Then, students find the area of each shaded region. They also find the...
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PPT
Curated OER

Right On/Right Angles

For Teachers 3rd
Help your class identify right triangles using this resource. This series of slides involves pictures of clocks with hands forming right angles. It's an interesting way to introduce this topic.
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Lesson Plan
Curated OER

A Holocaust Monument

For Teachers 3rd - 9th
Young scholars examine Holocaust memorials to discover expressive power of shapes, practice creating simple geometric shapes or forms, and practice calculating ratios, area, and/or volume.
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Lesson Plan
Curated OER

Primary Geometry

For Teachers K - 2nd
Students identity simple geometric shapes. In this early geometry lesson, the teacher introduces students to triangles, squares, and rectangles, then students identify and classify the shapes as they are found in the classroom. To...
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Lesson Plan
Curated OER

Gee O Me Tree

For Teachers 3rd - 5th
Young scholars follow multiple-step oral directions and review geometric shapes.
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Lesson Plan
Curated OER

Monument Museum

For Teachers K - 1st
Learners design monuments, taking into account what is known about geometric shapes and measuring. Students create a museum complete with monuments and descritions of the monuments. Learners provide guides at each monument in order to...

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