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Worksheet
Curated OER

Sizes Worksheet: Longest

For Students K - 1st
In this size comparison worksheet, students will examine two columns with four shapes in each column. Students will then determine which shape is the longest and circle that shape.
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Worksheet
Curated OER

Identifying Parallelograms

For Students 2nd - 3rd
In this identifying parallelograms worksheet, students look at the colorful shapes and identify the ones that have two pairs of parallel lines.
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Worksheet
Curated OER

Patterns

For Students 1st - 3rd
In this patterns worksheet, students examine five strips of patterns and decide which of two shapes at the end should follow the pattern shown.
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Worksheet
Curated OER

Recognizing Triangles

For Students 1st - 2nd
In this triangles worksheet, students analyze 25 shapes in a full page collage. Some of the shapes have curved or jagged sides. Students circle all the triangles.
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Lesson Plan
Curated OER

Two-Dimensional and Three-Dimensional Shapes

For Teachers 1st
First graders explore 2-dimensional and 3-dimensional shapes. In this geometry instructional activity, 1st graders examine the attributes of 2 -dimensional and 3-dimensional shapes. They also create the shapes as they build models. This...
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Lesson Plan
Curated OER

Folding to Make Shapes

For Teachers 2nd
Second graders identify different polygons and their attributes. In this geometry instructional activity, 2nd graders get to know polygons by studying the vocabulary and finding polygons in their classroom. They create these shapes and...
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Lesson Plan
Curated OER

Venn Diagram and Shape Sorting Lesson Plan

For Teachers 2nd - 4th
Young scholars use Venn diagrams to represent classifications of shapes and to use counting arguments to find the number of objects in a given set.
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Worksheet
Curated OER

Shapes Around Us

For Students 4th
In this shapes and patterns worksheet, 4th graders cut out 4 geometric pictures at the bottom of the worksheet and paste each one to one of the 4 rows of designs to continue the patterns shown.
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Lesson Plan
Curated OER

Start at the Very Beginning

For Teachers 1st - 3rd
Students explore ocean ecosystems. In this cross curriculum art and oceans lesson, students create a collage featuring three-finger algae using sand paper, tissue paper, and construction paper.
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Lesson Plan
Curated OER

Basic Shapes

For Teachers 11th - 12th
Students create books about shapes.  In this shape lesson, students select a topic such as points, lines, angles, planes, polygons, quadrilaterals, triangles, circles, and polyhedra.  In groups, they create an illustrated children's book...
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Lesson Plan
Curated OER

Playground Design

For Teachers 6th - 9th
Students design recreational equipment for a community. In this architecture lesson, students work in pairs to design the equipment. Students select materials and begin designing. Students assess themselves with a pre-made rubric.
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Lesson Plan
Curated OER

Shape Up

For Teachers 6th - 8th
Students explore differents types of triangles and quadriaterals. In this polygon lesson, students  model identify and compare two and three dimensional geometric figures. Students create tangrams and discover the difference between...
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Lesson Plan
Arizona State University

Mining Shapes

For Teachers K Standards
Youngsters recognize and identify shapes. They draw, and use modeling clay to make shapes. They also identify shapes in their environment and in the Navajo culture, then compare the shapes and sort them into groups. This is the website...
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Lesson Plan
Curated OER

Similar Situations

For Teachers 3rd - 6th
Students explore intersecting lines. In this intersecting lines activity, students investigate shapes consisting of parallel, perpendicular, and similar lines. Students investigate these lines in shapes around them.
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Lesson Plan
Curated OER

Shaping Up!

For Teachers K Standards
Kindergartners are introduced to basic shapes. Learners spend 45 minutes a day in geometry centers carrying out the activities outlined in this ambitious plan. There are games, hands-on activities, interactive websites, art projects,...
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Lesson Plan
Curated OER

Length, Perimeter, and Area

For Teachers 3rd - 6th
Students explore the concepts of length, perimeter, and area. In this math lesson, students use Shape Explorer to practice finding length, perimeter, and area.
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Lesson Plan
Curated OER

Old Glory

For Teachers 6th - 8th
Learners utilize mathematical concepts such as: measurement, ratio and proportion and geometric probability to analyze the components of the U.S. Flag. They collect, organize and interpret data by constructing charts, tables and graphs...
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Lesson Plan
Curated OER

Art or Junk? Discovering the Triangle Inequality

For Teachers 6th
Middle schoolers study the triangle inequality. They will identify, compare, and analyze attributes of two and three-dimensional shapes. Then they develop vocabulary to describe the attributes. They also use manipulatives to analyze the...
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Lesson Plan
Curated OER

Measure: Bearings and Scale Drawings

For Teachers 4th - 6th
Pupils practice drawing geometric figures. In this geometry lesson, learners complete an activity that requires them to draw angles and shapes to the nearest degree.
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Lesson Plan
Curated OER

Geometric City

For Teachers 4th - 6th
Students brainstorm names of plane and solid geometric figures. Afterward, they explore the skyline of large cities and note their agricultural shapes. Using construction paper, students build 3-D geometric structures to create a skyline...
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Lesson Plan
Curated OER

Fractions and Paper Folding

For Teachers K - 11th
In this fraction instructional activity, students manipulate paper by folding it to create different shapes and sizes, they explore the concept of fractions, and discuss their observations as a class. This is a great instructional...
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Lesson Plan
Odyssey of the Mind

Odyssey of the Mind Curriculum Activity: Shape-Shifter

For Teachers 4th - 6th
Geometry is everywhere, and I mean everywhere! Those skillful mathematicians discuss shapes and then come up with a well-researched list of shapes seen in everyday applications. They put their knowledge of shapes to work as each small...
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Lesson Plan
Curated OER

Stained Glass for Your Class

For Teachers K - 8th
Students use a 8 1/2 x 11 piece of white drawing paper, each student creates an original line drawing of a subject that interests them. They can create a geometric design. Students place the completed drawing under an 8 1/2 x 11 piece of...
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Lesson Plan
Curated OER

A Rectangular Prism and Its Net

For Teachers 6th - 10th
Identify the nets for prisms and other geometric shapes. Learners calculate the surface area of the rectangular prism then sketch the shapes of prisms and other polygons. Unfolded cereal boxes are used as a visual aid, great idea!

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