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### We found 110 resources with the concept geometric proofs

Videos (Over 2 Million Educational Videos Available)

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Other Resource Types
(110)

EngageNY

#### EngageNY Algebra I Curriculum

The Algebra 1 curriculum set is designed to help scholars develop fluency in
writing, interpreting, and solving linear equations, The 30 lessons in Module 1 are divided into four topics: An Introduction to Functions, the Structure of...

EngageNY

#### EngageNY Algebra II Module 1: Polynomial, Rational, and Radical Relationships

The 42 lessons in the Algebra II Module 1 collection are divided into four topics: Polynomials--From Base Ten to Base X, Factoring-- Its Use and Its Obstacles, Solving and Applying Equations—Polynomial, Rational and Radical, and A...

EngageNY

#### EngageNY Algebra I Module 1: Relationships Between Quantities and Reasoning with Equations and Their Graphs

The Algebra 1, Module 1 collection is designed to help students develop fluency in writing, interpreting, and solving linear equations The 30 lessons are divided into four topics: An Introduction to Functions , the Structure of...

EngageNY

#### EngageNY Geometry Module 2: Similarity, Proof, and Trigonometry

The Geometry Module 2: Similarity, Proof, and Trigonometry collection includes 36 lessons that are divided into five topics: Scale Drawings, Dilations, Similarity and Dilations, Applying Similarity to Right Triangles, and Trigonometry....

Lesson Planet

#### EngageNY Geometry Module 1: Congruence, Proof, and Constructions

The 36 lessons in the Geometry Module 1 collection address transformations in teaching geometry brought on by Common Core. The focus here is on transformations and the relationships between transformations and congruence. Teacher...

Lesson Planet

#### Proof That Geometry Isn't Difficult

Prove that Geometry can be challenging in a good way with a wide-ranging collection of resources on proofs. The topics focus on the main skills while young mathematicians to think outside the box.

Lesson Planet

#### How Much Proof Do We Need?

Are two angles enough? Given two triangles, the class determines through the definition of similarity and transformations whether the two triangles are similar. Provided with pairs of triangles and measurements, small groups find out...

Lesson Planet

#### The Trapezoid

Enjoy this nicely organized worksheet that puts together multiple problems regarding trapezoid proofs. The resource can be used as a guide that begins with proving properties and ends with solving for measures of line segments.

Lesson Planet

#### Inequalities in a Triangle

Stuck with triangle proofs? Take a 180° and provide learners with a guided worksheet that tests their knowledge with triangle inequalities. The questions require different types of proofs that range in levels of difficulty.

Lesson Planet

#### Reasons for Geometric Statement/Reason Proofs

Stuck trying to remember the formal language of a geometric proof? Never fear, this handout has them all ready to go. The reasons are sectioned by topic so this handy guide is ready when you are to tackle those two column proofs.

Lesson Planet

#### Triangle Medians and Centroids

The terminology used in geometry, including such words as centroid and median are discussed in this video. Through this lecture, young mathematicians can see a visual representation both median and centroid. Also, a proof showing how to...

Lesson Planet

#### Area of Inscribed Equilateral Triangle (some basic trig used)

Delving into basic trigonometry, this resource shows how to find the area of an inscribed equilateral triangle. Using a high-level problem, HeronÕs theorem is used to find the area of a figure. Prior to SAT testing, use this as a review.

Lesson Planet

#### Area of Diagonal Generated Triangles of Rectangle are Equal

Finding the area of each of the triangles that are created by drawing two diagonal lines through a rectangle is explored in this lecture. It provides a detailed explanation of how to use a formula to solve the given problem. Tip: Use...

Lesson Planet

#### Triangle Medians and Centroids

Lesson Planet

#### Triangle Medians and Centroids (2D Proof)

After addressing the terminology used with medians and centroids of triangles in the first part of this series, the instructor shows how to solve this type of problem. He illustrates the concepts by using a high-level problem....

Lesson Planet

#### Rhombus Diagonals

Delving into a proof that the diagonals of a rhombus are perpendicular to each other, this lecture evaluates the angles and sides of this figure. It would serve as a great test preparation activity.

Lesson Planet

#### Area of Diagonal Generated Triangles of Rectangle are Equal

Lesson Planet

#### Angles in the Same Segment – Proof

If angles intercept the same arc, the angles must be the same size. The quick video talks through the proof of showing the reason two inscribed angles that intersect the same arc have the same measurement. Pupils then create their own...

Lesson Planet

#### Alternate Segment Theorem – Proof

Scholars observe a video explaining the alternate segment theorem proof. Then, they apply the theorem to additional practice problems from the text and complete a worksheet.

Lesson Planet

#### Module 2: Congruence, Construction and Proof

Construct yourself a winning geometry unit. A set of lessons introduces geometry scholars to constructions and proofs with compasses and straightedges. It also covers triangle congruence through transformations. This is the second of...

Lesson Planet

#### Angles and Sides, Sides and Angles

Lead by example. Pupils use software to investigate given measures of sides and angles to determine whether they create congruent triangles. Using the discovered triangle congruences, learners put together proofs.

Lesson Planet

#### Classifying Parallelograms: Lesson

Properly organize parallelograms. Given special parallelograms, the narrator of a short video explains the properties of each. The section of a playlist on geometry uses the properties to classify the special parallelograms.

Lesson Planet

#### Indirect Proofs in Algebra and Geometry: Lesson

Indirectly, it is a good proof method. A segment of a playlist on geometry introduces a way to prove geometric and algebraic statements. Using a general examples, the video shows how to develop an indirect proof.

Lesson Planet

#### Two-Column Proofs: Lesson

Why is it a two-column proof? A video introduces the class to the concept of a two-column proof and how to set one up. The segment of a playlist on basic geometry highlights the types of reasons that can be in a proof.