## Derive the equation of a circle of given center and radius using the Pythagorean Theorem; complete the square to find the center and radius of a circle given by an equation.

20 Lesson(s)

### The Circle (Day 1 of 2)

12th Grade Math » Unit: Conics
12th Grade Math » Unit: Conics
Independence, MO
Environment: Suburban

Big Idea:

#### What is the definition of a circle, really?

Standards:

Favorites (6)

Resources (23)

Reflections (2)

12th Grade Math » Unit: Conics
Independence, MO
Environment: Suburban

Big Idea:

#### Through a poster students place wax paper designs made in previous lessons on a graph then determine the equation for the conic represented by the design.

Standards:

Favorites (1)

Resources (25)

Reflections (4)

12th Grade Math » Unit: Conics
Independence, MO
Environment: Suburban

Big Idea:

#### How can I put a conic on a coordinate plane so that an equation can be found?

Standards:

Favorites (1)

Resources (22)

Reflections (4)

12th Grade Math » Unit: Conic Sections
Phoenix, AZ
Environment: Urban

Big Idea:

#### Use TRIANGLES and SQUARES to find the equation of a CIRCLE?! Students use prior knowledge of perfect squares and the Pythagorean Theorem to find equations for circles.

Standards:

Favorites (5)

Resources (17)

12th Grade Math » Unit: Conic Sections
Phoenix, AZ
Environment: Urban

Big Idea:

#### Use TRIANGLES and SQUARES to find the equation of a CIRCLE?! Students use prior knowledge of perfect squares and the Pythagorean Theorem to find equations for circles.

Standards:

Favorites (2)

Resources (14)

12th Grade Math » Unit: Circles
Oakland, CA
Environment: Urban

Big Idea:

Standards:

Favorites (1)

Resources (6)

### Conic Sections Unit Test

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Phoenix, AZ
Environment: Urban

Big Idea:

Standards:

Favorites (2)

Resources (4)

### Conic Sections Test Review

12th Grade Math » Unit: Conic Sections
12th Grade Math » Unit: Conic Sections
Phoenix, AZ
Environment: Urban

Big Idea:

#### Students work together and ask questions as they prepare for tomorrow's unit test.

Standards:

Favorites (2)

Resources (4)

Geometry » Unit: Circles
Saratoga Springs, NY
Environment: Suburban

Big Idea:

Standards:

Favorites (3)

Resources (22)

Reflections (3)

### Circles on the Coordinate Plane

12th Grade Math » Unit: Trigonometry: Circles
12th Grade Math » Unit: Trigonometry: Circles
Worcester, MA
Environment: Urban

Big Idea:

Standards:

Favorites (34)

Resources (18)

### Old and New Knowledge of Circles

12th Grade Math » Unit: Trigonometry: Circles
12th Grade Math » Unit: Trigonometry: Circles
Worcester, MA
Environment: Urban

Big Idea:

#### Students explore the idea that pi and the trig ratios are really just the same shoes on different feet.

Standards:

Resources (13)

12th Grade Math » Unit: Trigonometry: Circles
Worcester, MA
Environment: Urban

Big Idea:

Standards:

Resources (14)

### Loci and Analtyic Geometry

Geometry » Unit: Analytic Geometry
Geometry » Unit: Analytic Geometry
Environment: Suburban

Big Idea:

Standards:

Resources (14)

Reflections (2)

### Manipulating Circles on Geogebra

12th Grade Math » Unit: Trigonometry: Circles
12th Grade Math » Unit: Trigonometry: Circles
Worcester, MA
Environment: Urban

Big Idea:

Standards:

Resources (17)

### Review of Circles Learning Targets

12th Grade Math » Unit: Trigonometry: Circles
12th Grade Math » Unit: Trigonometry: Circles
Worcester, MA
Environment: Urban

Big Idea:

Standards:

Resources (10)
Common Core Math