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The Triangles Problem
In this geometry worksheet, 10th graders explain how two triangles can have 5 parts of the other triangle and still not be congruent. This is a word problem with an answer key.
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The Law of Sines
Students define the laws of sine as it relates to a right triangle. In this trigonometry lesson, students identify the properties of sine to help then find mixing sides of a right triangle. They also solve for the missing angles.
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Investigating AAS
Students investigate the theorems of ASA, AAS, AAA and ASA. In this geometry lesson, students discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two angles are formed by two rays...
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Similar triangles
Tenth graders investigate the theorems of ASA, AAS, AAA and ASA. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two angles are formed by...
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Why Doesn't SSA Work?
Students investigate the relationship between angles and their sides. In this geometry lesson, students prove why SSA does not work as a true angle side relationship theorem.
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Congruent Triangles
High schoolers identify properties of triangles. In this geometry lesson, students differentiate between similar and congruent triangles. They use the umber of sides to help define the angle of the polygon.
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Triangle Congruence
Students use web applet to create congruent triangles. In this geometry lesson, students differentiate between congruent and similar. They create shapes online and drag those shapes around to create visuals of triangles.
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The Arts of Africa, Asia and the Middle East: An Exploration of Art, Music and Film
Students examine the arts of the Middle East, Asia and Africa. After viewing films, they discuss the views of the various characters and identify the differences in the cultures presented. They also use the internet to evaluate various...
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Teaching about Islam
Ninth graders explore the effects of globalization on the Global South. In this World History lesson plan, 9th graders research a specific Islamic region. Students create a presentation that explain the effects of globalization on...
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Area of a Triangle
Students solve the area of triangles. In this precalculus activity, students are given two sides of a triangle and asked to calculate the area. They apply the law of sine and the side-angle-side area formula to solve.
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Parts of a Plant
Students explore biology by listening to an in-class lecture. In this plant science lesson, students sing songs with their classmates regarding anatomical parts of a plant and create plants from arts and crafts materials. Students listen...
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Why can't We Use SSA to Prove Triangles Congruent?
Young scholars investigate triangles and congruences. In this geometry lesson plan, students differentiate between inductive and deductive reasoning. They differentiate between similar and congruent triangles.
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Proving Triangles Congruent
In this proving triangles congruent worksheet, 10th graders solve 5 different problems that include proofs and proving congruence in triangles. First, they determine which postulate can be used to prove the triangles congruent and mark...
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Law of Sines and Law of Cosines
In this sine and cosine worksheet, students use the law of sines and law of cosines to find the required part of a triangle. Examples and explanations are provided. This three-page worksheet contains 24 problems. Answers are listed at...
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Congruent Triangles Postulates
Young scholars discover three lettered postulates that prove triangles congruent.
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Similar Triangles
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
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More Congruent Triangles
In this congruent triangles worksheet, 10th graders solve 5 various types of geometry problems related to triangles. First, they draw and label triangles, indicating the additional pairs of corresponding parts that would have to be...
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Identifying Similar Triangles
In this identifying similar triangles activity, 10th graders solve 6 different types of problem that include identifying and comparing similar triangles. First, they identify the three ways that determine whether two triangles are...
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What's a Swamp Good For?
Young scholars identify the function and value of wetlands. In this instructional activity on appreciating wetlands, students explain how different household items can represent different aspects of the wetlands.
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Creative Writing/Poetry Lesson Plan
Young scholars complete poetry writing activities and art analysis activities. In this creative writing and art instructional activity, students analyze a cubist piece by Picasso and discuss abstraction. Young scholars read a poem by...
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Whatcha Gunna Do When the Hulkster's Measuring Too??
Students measure using tools they have made. In this algebra lesson, students measure the height and distance using non-traditional measuring methods. They apply their findings to algebra and trigonometry properties of measurements.
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CSI Investigation of Congruence and Similarity
Students differentiate between similarity and congruence using polygons. In this geometry lesson plan, students label triangles based on their properties. They find missing sides and angles using the interior sum theorem.
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Similar Triangles - Applied Problems
Pupils differentiate between similar and congruent triangles. For this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
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Celebrate Beef
Learners read about the history of cattle, discover new technologies, and fill out worksheets about cattle use. In this cattle lesson plan, students identify states that raise cattle and draw pictures of how cattle is used.
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