'Unknown angle measure' diaporamas de présentation

4.OA.1

Interpret a multiplication equation as a comparison, e.g., interpret 35 = 5 x 7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations. 4.OA.1.

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Introduction

Introduction

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Learn to name, measure, classify, estimate, and draw angles .

7-2. Angles. Course 1. Learn to name, measure, classify, estimate, and draw angles. 7-2. Angles. Course 1. Insert Lesson Title Here. Vocabulary. angle vertex acute angle right angle obtuse angle straight angle. 7-2. Angles. Course 1.

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Insert Lesson Title Here

8-5. Classifying Polygons. Course 2. Insert Lesson Title Here. Learn to identify and name polygons. 8-8. Angles in Polygons. Course 2. Polygon -. A closed figure with 3 or more straight sides that do not cross. 8-5. Classifying Polygons. Course 2.

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Learn to understand relationships of angles .

Learn to understand relationships of angles. Vocabulary. congruent vertical angles adjacent angles complementary angles supplementary angles. Congruent angles have the same measure.

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8-3

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Warm Up

Warm Up. Problem of the Day. Lesson Presentation. Lesson Quizzes. Warm Up Solve. 1. 72 + 18 + x = 180 2. 80 + 70 + x = 180 3. x + 42 + 90 = 180 4. 120 + x + 32 = 180. x = 90. x = 30. x = 48. x = 28. Problem of the Day

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Coaching Case 3

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Do Now

C. AB , BA , and AC. A. B. Do Now. 1. Draw two points. Label one point A and the other point B . 2. Draw a line through points A and B . 3. Draw a ray with A as an endpoint and C as a point on the ray. 4. Name all the rays in your drawing . DWP #55.

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Warm Up

Preview. Warm Up. California Standards. Lesson Presentation. Warm Up Tell whether the given angles are vertical, complementary, or supplementary. 1. ? QXT and ? QXR 2. ? QXR and ? TXS 3. ? PXQ and ? QXR 4. ? PXQ and ? PXS 5. ? TXS and ? SXR. supplementary. vertical.

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Warm Up

Preview. Warm Up. California Standards. Lesson Presentation. Warm Up Tell whether the given angles are vertical, complementary, or supplementary. 1. ? QXT and ? QXR 2. ? QXR and ? TXS 3. ? PXQ and ? QXR 4. ? PXQ and ? PXS 5. ? TXS and ? SXR. supplementary. vertical.

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California Standards

California Standards. MG2.2 Use the properties of complementary and supplementary angles and the sum of the angles of a triangle to solve problems involving an unknown angle. Also covered: AF1.1, MG2.1. Additional Example 1: Finding an Unknown Angle Measure

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8-8

8-8. Angles in Polygons. Course 2. Warm Up. Problem of the Day. Lesson Presentation. 8-8. Angles in Polygons. Course 2. Warm Up Solve. 1. 72 + 18 + x = 180 2. 80 + 70 + x = 180 3. x + 42 + 90 = 180 4. 120 + x + 32 = 180. x = 90. x = 30. x = 48. x = 28. 8-8.

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Angles and Polygons

Angles and Polygons. 13.3. LESSON. Tambourines The frame of the tambourine shown is a regular heptagon. What is the measure of each angle of the heptagon?. Angles and Polygons. 13.3. LESSON.

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California Standards

California Standards. MG2.2 Use the properties of complementary and supplementary angles and the sum of the angles of a triangle to solve problems involving an unknown angle. Also covered: AF1.1, MG2.1.

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EXAMPLE 1

a. Classify XYZ by its angles. Classify XYZ by its side lengths. b. a. The triangle has a right angle at Y . So, it is a right triangle. b. The triangle has two sides of equal length. So, it is an isosceles triangle. EXAMPLE 1. Classifying a Triangle. SOLUTION.

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Solving for Angles

Solving for Angles. Unit of Study: Angles Global Concept Guide: 2 of 2. Content Development.

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