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Similarity and Congruence
High schoolers explore the concept of similarity and congruence. In this similarity and congruence lesson, students cut out strips of paper and form a triangle. High schoolers try to prove that their triangles are congruent using the SSS...
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Work with Congruent Parts
Young scholars explore the concept of congruency. In this fractions lesson, students use paper plates to practice recognizing congruent parts as they make folds and cuts to represent equal parts.
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Similarity and Congruence
Students explore the concept of similarity and congruence. In this similarity and congruence lesson plan, students identify and verify whether or not two figures are similar, congruent, or neither. Students use postulates and theorems...
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NON-EUCLIDEAN GEOMETRY.
Students study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. In this lesson students also create and critique inductive and deductive arguments concerning congruency, similarity and the...
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Congruent Figures
In this congruent figures instructional activity, students apply their math skills as they respond to 4 questions that require them to select shapes that are congruent to the 4 given shapes.
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Draw Constellations
In this drawing constellations worksheet, students observe a constellation in the left box and copy the constellation in the right box. Students draw 3 constellations.
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Geometry - Congruent Figures
In this geometry instructional activity, students read the definition of congruent figures. They match the figures shown at the top of the page with the one that is congruent in a box at the bottom of the page.
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Congruent Figures
For this congruent figure worksheet, students match the corresponding congruent parts of sets of a pair of shapes, recording their answers in a graphic organizer beneath the shapes.
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Triangles
In this triangles worksheet, 10th graders solve and complete 7 different problems. First, they list five ways to prove triangles congruent. Then, students name the method proving the triangles congruent in each problem.
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Congruent Figures
In this congruent figures worksheet, students write the letters of the figures that solve each of 6 problems relating to congruency/non-congruency
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Proofs Chapter 2: Geometry
In this geometry worksheet, students look at given pictures and prove congruent lines and angles. This three-page worksheet contains nine multi-step problems.
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Geometric Proofs
In this geometric proofs worksheet, students prove supplementary, complimentary, and congruent angles from given models and information. This four-page worksheet contains six multi-step problems.
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Congruent and Similar Figures: Reteach
In this congruent and similar figures instructional activity, students review three steps to help them determine if figures are congruent, similar, or neither. Students then study the pairs of shapes and determine if they are congruent,...
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Congruence: Practice
In this congruence worksheet, learners trace figures, measure sides and angles, mark congruent sides and angles, then use a given diagram to answer questions and explain reasoning. Students also answer 2 test prep questions. Houghton...
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Area and Volume
In this area and volume activity, 10th graders solve and complete 6 different types of problems. First, they find the numbers if the product of one of the numbers with the square of the other number is to be as large as possible. Then,...
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Properties of Geometry
In this properties of geometry worksheet, 10th graders solve and complete 12 different problems that include various theorems. First, they draw a figure that illustrates the SAS inequality property. Then, students prove that two line...
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Congruent Triangles
In this congruent triangles worksheet, 10th graders solve and complete 13 different problems. First, they use the illustrated congruent triangles to show other congruency in each problem. Then, students determine and prove the angle...
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Congruent Shapes
In this congruent shapes learning exercise, students analyze a group of 20 geometric shapes that have letter labels. Students find pairs of shapes that are congruent in this group and write the letters of the shapes that match.
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Indirect Euclidean Proofs
In this indirect Euclidean proof worksheet, students write statements supporting the reasons for a given proof. This one-page worksheet contains ten problems.
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Isosceles Triangle Theorems
In this isosceles triangle worksheet, students use theorems to determine if given triangles are congruent or not congruent. In addition, they identify the described triangles as isosceles or right. This one-page worksheet contains ten...
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Congruent Triangles
In this congruent triangles worksheet, 10th graders solve and complete 10 different problems that include various forms of triangles. First, they name the method for proving each set of triangles congruent using the given information....
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Congruent Triangles
In this congruent triangles worksheet, 10th graders solve and complete 10 different problems to determine whether each set of triangles is congruent or not. First, they copy each diagram onto a piece of paper and mark up the paper with...
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Right Triangles
In this right triangles worksheet, 10th graders solve 10 different problems that include determining the means proportionally in each right triangle. First, they use the given information to determine the measure of each line segment....
Math Worksheets Center
Congruent Triangle Proofs Quiz
A congruent triangles quiz challenges teenage mathematicians to complete a pair of geometric proofs. Each problem includes a picture of the triangles in question, a given set of information, and the five steps needed to finish the proof....