HSG-SRT.C.8

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- HSG-SRT.C.6Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.
- HSG-SRT.C.7Explain and use the relationship between the sine and cosine of complementary angles.
- HSG-SRT.C.8Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.*

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## HSG-SRT.C.8

## Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.*

43 Lesson(s)

### NPR Car Talk Problem - Day 1 of 2

12th Grade Math »
Unit: Trigonometric Functions

12th Grade Math »
Unit: Trigonometric Functions

Big Idea:

#### This problem from NPR's Car Talk is engaging, challenging, and mathematically rich!

Standards:

Favorites
(13)

Resources
(19)

Reflections
(2)

### NPR Car Talk Problem - Day 2 of 2

12th Grade Math »
Unit: Trigonometric Functions

12th Grade Math »
Unit: Trigonometric Functions

Big Idea:

#### This problem from NPR's Car Talk is engaging, challenging, and mathematically rich!

Standards:

Favorites
(5)

Resources
(9)

### Final Exam Review Stations (Day 1 of 3)

12th Grade Math »
Unit: Review

12th Grade Math »
Unit: Review

Big Idea:

#### Students review by working through various stations at their own pace and receive immediate feedback on their work.

Standards:

Favorites
(6)

Resources
(23)

Reflections
(1)

Big Idea:

#### How do I even start this problem?! Give your students tools to help make sense of and work with trig problems.

Standards:

Favorites
(5)

Resources
(10)

### Reviewing the Pythagorean Theorem

Geometry »
Unit: Area Relationships

Geometry »
Unit: Area Relationships

Big Idea:

#### The focus is on student questions as we review homework and summarize with notes.

Standards:

Favorites
(4)

Resources
(25)

### Formalizing Properties Known Informally

12th Grade Math »
Unit: Trigonometric Identities

12th Grade Math »
Unit: Trigonometric Identities

Big Idea:

#### How can I find the value of other trigonometric functions if I only know one or two values?

Standards:

Favorites
(1)

Resources
(20)

Reflections
(2)

### Problem Solving with Triangles

12th Grade Math »
Unit: Solving Problems Involving Triangles

12th Grade Math »
Unit: Solving Problems Involving Triangles

Big Idea:

#### What is the most efficient way to solve problems involving triangles?

Standards:

Favorites
(1)

Resources
(18)

Reflections
(2)

### Clinometer Project (Day 1 of 2)

12th Grade Math »
Unit: Fundamentals of Trigonometry

12th Grade Math »
Unit: Fundamentals of Trigonometry

Big Idea:

#### Students build clinometers in preparation for indirectly measuring the height of objects that we would not normally be able to measure.

Standards:

Favorites
(3)

Resources
(24)

Reflections
(1)

### Solving Triangles with Trigonometry

Geometry »
Unit: Introduction to Trigonometry

Geometry »
Unit: Introduction to Trigonometry

Big Idea:

#### Students refine their strategies for applying trigonometric relationships. Now we see trigonometry from every side—and angle!

Standards:

Favorites
(2)

Resources
(13)

### Riding a Ferris Wheel - Day 2 of 2

12th Grade Math »
Unit: Trigonometric Functions

12th Grade Math »
Unit: Trigonometric Functions

Big Idea:

#### Make the transition from the Ferris wheel problem to the unit circle.

Standards:

Favorites
(5)

Resources
(10)

Reflections
(1)

### Pythagorean Theorem Unit Assessment

Geometry »
Unit: The Pythagorean Theorem

Geometry »
Unit: The Pythagorean Theorem

Big Idea:

#### In this unit assessment, students will work through leveled problems that will allow them to demonstrate varying levels of mastery.

Standards:

Favorites
(1)

Resources
(8)

Reflections
(1)

### Finding Angle Measurements Using Trig

Geometry »
Unit: Right Triangle Trigonometry

Geometry »
Unit: Right Triangle Trigonometry

Big Idea:

#### Students put their knowledge of trig to work solving problems and proving hypotheses involving angles.

Standards:

Favorites
(9)

Resources
(17)

Reflections
(1)

### Trig Jeopardy

12th Grade Math »
Unit: Fundamentals of Trigonometry

12th Grade Math »
Unit: Fundamentals of Trigonometry

Big Idea:

#### Student teams get very competitive as they fight to be the winners of Trig Jeopardy.

Standards:

Favorites
(2)

Resources
(6)

### Solve Real World Problems with Clinometers

Geometry »
Unit: Triangle Similarity and Trigonometric Ratios

Geometry »
Unit: Triangle Similarity and Trigonometric Ratios

Big Idea:

#### By using clinometers, students will be able to collect data to determine the height of hard-to-measure objects around the campus.

Standards:

Favorites
(1)

Resources
(14)

Reflections
(1)

### More on Finding Lengths of Segments

Geometry »
Unit: Right Triangle Trigonometry

Geometry »
Unit: Right Triangle Trigonometry

Big Idea:

#### Students continue to apply trig functions, while also learning about the relationship between the sine and cosine of complementary angles.

Standards:

Favorites
(8)

Resources
(16)

Common Core Math

### Kindergarten

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Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

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HS Number & Quantity

HS Algebra

HS Functions

HS Geometry

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Second Grade

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Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Ninth and Tenth Grade

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Second grade

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