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- HSN-CN.A.1Know there is a complex number i such that i<sup>2</sup> = -1, and every complex number has the form a + bi with a and b real.
- HSN-CN.A.2Use the relation i<sup>2</sup> = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
- HSN-CN.A.3(+) Find the conjugate of a complex number; use conjugates to find moduli and quotients of complex numbers.

Complex Numbers Day 1 of 2

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Multiple models are use to represent computations with complex numbers.

Amelia Jamison

Rural Env.

14 Resources

6 Favorites

14 Resources

6 Favorites

Algebra II Jeopardy

Algebra II

» Unit:

Games

Big Idea:Play Jeopardy to fill those odd days before break or during homecoming week with meaningful mathematical activities like this Jeopardy game.

Merrie Rampy

Rural Env.

8 Resources

11 Favorites

8 Resources

11 Favorites

Complex Numbers and Quadratic Equations Test

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Test student on their knowledge of complex numbers and quadratic equations..

Amelia Jamison

Rural Env.

10 Resources

1 Favorite

10 Resources

1 Favorite

Completing the Square Day 1 of 2

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Compare and contrast the effectiveness of multiple methods of solving quadratic equations.

Amelia Jamison

Rural Env.

19 Resources

3 Favorites

19 Resources

3 Favorites

Simplifying Square Roots

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Area models introduce this Common Core transitional lesson on simplifying square roots.

Amelia Jamison

Rural Env.

25 Resources

4 Favorites

25 Resources

4 Favorites

Quadratic Formula

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Build the concept of the quadratic formula by deriving it from completing the square.

Amelia Jamison

Rural Env.

18 Resources

2 Favorites

18 Resources

2 Favorites

Imaginary Numbers Day 1 of 2

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Repeated reasoning is a central feature in this lesson.

Amelia Jamison

Rural Env.

20 Resources

7 Favorites

20 Resources

7 Favorites

Completing the Square Day 2 of 2

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Compare and contrast the effectiveness of multiple methods of solving quadratic equations.

Amelia Jamison

Rural Env.

19 Resources

19 Resources

Complex Numbers Day 2 of 2

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Multiple models are use to represent computations with complex numbers.

Amelia Jamison

Rural Env.

18 Resources

1 Favorite

18 Resources

1 Favorite

Imaginary Numbers Day 2 of 2

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Repeated reasoning is a central feature in this lesson.

Amelia Jamison

Rural Env.

27 Resources

5 Favorites

27 Resources

5 Favorites

Complex Numbers and Quadratic Equations Review

Algebra II

» Unit:

Complex Numbers and Quadratic Equations

Big Idea:Students create a personal study plan as they review complex numbers and quadratic equations.

Amelia Jamison

Rural Env.

16 Resources

1 Favorite

16 Resources

1 Favorite

Multiplying Complex Numbers, Day 1 of 4

Algebra II

» Unit:

The Complex Number System

Big Idea:Students explore and explain correspondences between numerical and graphical representations of arithmetic with complex numbers.

Jacob Nazeck

Suburban Env.

11 Resources

2 Favorites

11 Resources

2 Favorites

Multiplying Complex Numbers, Day 2 of 4

Algebra II

» Unit:

The Complex Number System

Big Idea:Students explore and explain correspondences between numerical and graphical representations of arithmetic with complex numbers.

Jacob Nazeck

Suburban Env.

9 Resources

2 Favorites

9 Resources

2 Favorites

Unit Test

Algebra II

» Unit:

Imagine This! Imaginary and Complex Numbers

Big Idea:Students will persevere through a unit assessment by utilizing the skills they have acquired (MP1).

Jarod Hammel

Suburban Env.

8 Resources

8 Resources

Complex Numbers Review

Algebra II

» Unit:

Complex Numbers

Big Idea:Students help design their own review outline focusing on what they need to study instead of cramming on everything!

Merrie Rampy

Rural Env.

12 Resources

1 Favorite

12 Resources

1 Favorite

HSN-CN.A.1

Know there is a complex number i such that i^{2} = -1, and every complex number has the form a + bi with a and b real.

HSN-CN.A.2

Use the relation i^{2} = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.

HSN-CN.A.3

(+) Find the conjugate of a complex number; use conjugates to find moduli and quotients of complex numbers.