Lesson Plan
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Junior Architects of America

For Teachers 3rd - 4th
Students create entries for the Architects of America contest, including a model of a futuristic structure, blueprints, a list of all plane and solid shapes in the structure, a persuasive argument paper that describes why the structure...
Worksheet
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Transformations

For Students 6th - 8th
Middle schoolers solve and identify 10 different problems that include transformations and identifying translations. They determine if each figure is an example of a translation and explain how each figure may or may not be a...
Worksheet
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Chapter 19 Word Search

For Students 8th - 10th
Here is a geometry worksheet in which learners locate and identify various vocabulary terms related to geometry. There are twelve words located in the puzzle.
Lesson Plan
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Geometric Transformations

For Teachers 5th - 12th
Learners examine images and preimages of a mapping and identify isometry. They view images by M.C. Escher, observe teacher demonstrations, and create a translation image, a rotation image, and a dilation.
Lesson Plan
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2-D and 3-D Presents at Pedro's Party

For Teachers 5th
Fifth graders draw 2-D and 3-D shapes. They sketch and label geometric figures with correct terminology, then explore parallel and perpendicular lines. Pupils sort and classify shapes drawn.
Lesson Plan
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Congruent and Similar Figures

For Teachers 2nd
Group that class and get them classifying and sorting figures as congruent or similar. They use magazines to identify and label similar and congruent figures, cutting out images and placing c or s next to each image.
Lesson Plan
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Toe to Toe Geo

For Teachers 2nd - 6th
Students study triangles. In this triangle lesson plan, students compare and classify triangles while milling to music. Students will also trade triangles so they can match up with other similar triangles. Triangles are provided.
Lesson Plan
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Congruent Shapes

For Teachers 1st - 3rd
In this geometry lesson, pupils trace the capital letter "T" in different directions to learn how a shape is congruent. Students trace this letter on a sheet of paper, then turn, flip it, and trace it in different directions, only to...
Worksheet
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Congruence in Triangles

For Students 9th - 10th
In this geometry worksheet, students identify and label triangles as being congruent or not. They use the SSS, ASA or SAS as their description. There are 18 questions with an answer key.
Interactive
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Proving Lines Parallel Multiple Choice

For Students 10th - 12th
In this geometry worksheet, students identify parallel lines, examine and interpret diagrams, and find the value of corresponding angles and lines.  This one-page worksheet contains 6 multiple-choice problems.  Answers are...
Interactive
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Similar Triangles Multiple Choice

For Students 8th - 10th
In this triangle relationships worksheet, students identify measurements in similar and congruent triangles. Each problem features a drawing of two or more triangles. Students identify missing measurements. There are 5 multiple choice...
Lesson Plan
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Equilateral Triangles

For Teachers 4th - 5th
Students examine the attribute of equilateral triangles. In this equilateral triangle lesson plan, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
Lesson Plan
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Symmetry in Nature and Congruent Shapes All Around

For Teachers 2nd
Second graders explore symmetry and congruent shapes. For this math lesson, 2nd graders identify examples of symmetry and congruent shapes in nature. Students take photographs and create a multimedia presentation of symmetry and...
Lesson Plan
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Geometry Practice GG10: Prisms

For Teachers 10th - 12th
In this prisms worksheet, students identify the number of faces in a prism.  They locate the parallel edges.  Students determine the names of prisms.  This two-page worksheet contains 3 problems.  Answers are...
Worksheet
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Congruent Figures

For Students 4th
In this problem solving worksheet, 4th graders study 4 lines of shapes. Students determine which multiple choice shape on the right is congruent to the one on the left of the straight line.
Worksheet
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Geometry Practice: G.G. 28 #2: Triangle Congruence

For Students 10th - 12th
In this triangle congruence worksheet, students use SSS, ASA, AAS and HL to determine the congruence of triangles.  They identify the theorem that proves congruence.  This three-page worksheet contains 4 multi-step...
Worksheet
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Congruent Figures

For Students 3rd - 4th
In this geometry instructional activity, students view two congruent figures and match the corresponding parts. Students write the four corresponding parts in the boxes provided.
Worksheet
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Geometry: Congruent Figures

For Students 4th - 5th
In this congruent instructional activity, students identify congruent figures in a given set of shapes. A reference website for additional resources is given.
Worksheet
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Congruent Shapes

For Students 1st - 3rd
In this congruent shapes activity, students complete multiple choice questions for which shape is congruent to the one on the left. Students complete 4 problems total.
Worksheet
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Congruent Triangles

For Students 10th
In this geometry worksheet, 10th graders identify the corresponding parts of congruent triangles.  The one page worksheet contains four problems.  Answers are not provided. 
Lesson Plan
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Drawing Figures

For Teachers 3rd
Third graders draw shapes that are congruent. In this congruency lesson, 3rd graders use grid paper to draw letters and figures and their congruent partners. They complete a worksheet while working in a whole class setting with the...
Lesson Plan
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Measuring Length: Practice A

For Teachers 9th
Ninth graders investigate the segment addition postulate.  In this geometry lesson, 9th graders explore the difference between equal and congruent in relation to segment length.  The lesson includes an algebra application and a...
Lesson Plan
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Congruent and Similar figures

For Teachers 8th
Eighth graders explore congruent and similar figures.  In this eighth grade geometry lesson, 8th graders use geoboards to create congruent and similar figures and explore the relationships between the sides and angles. 
Lesson Plan
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Healthy Halloween Treats

For Teachers K - 3rd
Pupils explore the concept of healthy treats. In this healthy food instructional activity, students read ingredients and create healthy Halloween treats.  Pupils also practice the skill of congruent shapes by drawing healthy...