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Worksheet
Curated OER

Congruent / Similar Shape Cards

For Students 2nd - 3rd
Cut apart 16 cards with 8 congruent pairs of geometric shapes, then have your class match the cards which show congruent shapes. There are no directions or information on the page so use your imagination to create a fun activity. Tip:...
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Worksheet
Curated OER

Independent Practice 2: Recognizing Similar and Congruent

For Students 7th - 8th
Learners examine given figures and determine if they are similar and congruent or similar and not congruent. Afterward, they match congruent figures drawn in a table. This one-page worksheet contains 12 problems.
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Worksheet
Curated OER

Triangles and Congruence

For Students 8th - 10th
Can your class construct triangles and determine congruence? Find out with this well put together worksheet. THey construct triangles to given specifications and identify if they are congruent. There are 3 muti-step problems to solve.
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Worksheet
Curated OER

Classifying Angles

For Students 7th
In this classifying angles learning exercise, 7th graders identify and complete 17 different angles illustrated on the sheet. First, they use the key given to outline each angle. Then, students use a protractor to measure each angle and...
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Worksheet
Curated OER

Symmetry Fun

For Students 7th
In this symmetry worksheet, 7th graders identify and complete 12 different lines of symmetry in polygons. First, they color all of the polygons that have a line of symmetry. Then, students circle all of the regular polygons and use the...
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Worksheet
Curated OER

Regular & Irregular Polygons

For Students 7th
In this polygons worksheet, 7th graders identify and complete 8 different problems that include determining the types of various polygons. First, they use the table to the left to color each of the polygons illustrated. Then, students...
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Worksheet
Curated OER

Countdown Challenge: Tangrams

For Students 7th - 8th
In this tangram worksheet, students find the area of each tangram shape. Afterwards, they name each piece and find the area of combined figures. This one-page worksheet contains approximately 25 problems.
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Lesson Plan
Curated OER

Symmetry of Road Signs

For Teachers 8th - 11th
Students identify symmetry in road signs. In this geometry lesson, students explore objects in the real world for symmetry. They perform translation, rotation and reflection.
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Worksheet
Curated OER

Proofs

For Students 8th - 11th
In this geometric proof worksheet, students compose 20 triangle congruency proofs. Students will decide if there is enough information in problems 1-6 to prove if any triangles are congruent. In problems 17 to 20, students use given...
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Lesson Plan
Curated OER

Slides, Flips. Turns......It's All On A Memory Book Page

For Teachers 4th
Fourth graders use tangram sets to investigate the congruence of shapes. They use congruent shapes to demonstrate the properties of slides, flips, and turns. They complete a math journal entry that describes and illustrates each concept.
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Lesson Plan
Curated OER

Group Isomorphisms

For Teachers 9th - 10th
Students identify and apply properties of triangles. In this geometry lesson, students define equilateral triangles by sides and angles. They build cardboard triangles as they study properties of triangles.
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Lesson Plan
Curated OER

Geometry is Fun and EverywhereGeometry, You Don’t Care? Geometry is Fun and Everywhere

For Teachers 3rd
Third graders investigate shapes in our world. In this geometry instructional activity, 3rd graders describe plane and solid shapes and identify angles, solid objects and lines of symmetry. Students use online resources, graphic...
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Worksheet
Curated OER

Easy Worksheet: Name the Property - Congruent Angles and Segments

For Students 9th - 12th
In this name the property worksheet, students solve 10 short answer problems. Students identify the property illustrated by the given statements about congruent angles and segments.
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Worksheet
Curated OER

SSS, SAS, ASA, and AAS Congruence

For Students 8th - 10th
Students will determine if triangles are congruent and state the appropriate congruence theorem. In this geometry lesson, students will determine what information is needed to determine if a pair of triangles are congruent using ASA,...
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Worksheet
Curated OER

Right Triangle congruence

For Students 9th - 10th
Students will determine if two triangles are congruent and which property is used. In this lesson on right triangles, students will determine what additional information is need to make a pair of triangles congruent.
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Interactive
Curated OER

Similar Polygons

For Students 7th - 8th
In this similar polygons worksheet, students identify the corresponding sides of polygons.  They use proportions to solve problems.  Students determine the scale factor of similar figures.  This two-page worksheet contains diagrams and...
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Worksheet
Curated OER

Triangle Fundamentals Multiple Choice

For Students 7th - 12th
In this triangles worksheet, students identify the parts of a triangle.  They determine the value of an angle measurement, and identify the characteristics of triangles.  This two-page worksheet contains 10 problems.  This is an online...
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Worksheet
Curated OER

Congruent Figures

For Students 3rd - 4th
In this geometry activity, students select the shape that is congruent to the one given. There are four multiple choice questions for students to complete.
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Lesson Plan
Curated OER

Investigation - Can You Guess My Favorite Color?

For Teachers 2nd
Second graders explore a bag of mixed pattern blocks. As a class they discuss different attributes of these shapes. In this math lesson, 2nd graders search to find shapes that are similar by placing shapes on top of one another to...
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Interactive
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figures worksheet, learners identify the meaning of similar, corresponding sides, and congruent.  They use proportions to find the length of a missing side.  Students dilate given figures according to a scale factor. ...
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Lesson Plan
Curated OER

Johnny Appleseed Origami

For Teachers 2nd
Second graders make an origami Johnny Appleseed. In this geometry lesson plan students follow folding instructions. They find different geometric shapes while they are folding. They create Johnny Appleseed's body and attach a face and...
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Worksheet
Curated OER

Area of Right Triangles

For Students 8th - 10th
In this are of right triangles worksheet, students read graphs and explore congruent triangles.  They find the area of rectangles and of right triangles.  This one-page worksheet contains explanations, instructions, and 8 problems.
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Lesson Plan
Curated OER

Indirect Measurement with Similar Triangles

For Teachers 9th - 12th
Young scholars use similar triangles to find missing heights.  In this using similar triangles to find missing heights lesson, students use proportions to find the heights of missing side lengths.  Young scholars find the height of trees...
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Lesson Plan
Curated OER

Symmetry and Symbols

For Teachers 2nd - 3rd
Students identify symmetrical and congruent elements in folk art. In this art and geometry lesson, students examine pictures of Masonic Plaque in the Form of a Royal Arch Tracing Board for evidence of congruent and symmetrical elements....