HSN-CN.A.2

Use the relation i2 = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.

 
27 Lesson(s)
   

Complex Numbers Day 1 of 2

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

Multiple models are use to represent computations with complex numbers.

 
Favorites (6)
 
Resources (14)
image complex numbers
   

Complex Numbers and Quadratic Equations Test

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

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

 
Favorites (1)
 
Resources (10)
image quadratic equations
   

Completing the Square Day 1 of 2

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

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

 
Favorites (3)
 
Resources (19)
image complete the square day 1
   

Simplifying Square Roots

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

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

 
Favorites (4)
 
Resources (25)
 
Reflections (2)
image simplifying radicals
   

Quadratic Formula

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

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

 
Favorites (2)
 
Resources (18)
image quadratic formula
   

Imaginary Numbers Day 1 of 2

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

Repeated reasoning is a central feature in this lesson.

 
Favorites (7)
 
Resources (20)
 
Reflections (1)
image imaginary numbers
   

Completing the Square Day 2 of 2

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

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

 
Resources (19)
image complete the square day 2
   

Complex Numbers Day 2 of 2

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

Multiple models are use to represent computations with complex numbers.

 
Favorites (1)
 
Resources (18)
image complex numbers day 2
   

Imaginary Numbers Day 2 of 2

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

Repeated reasoning is a central feature in this lesson.

 
Favorites (5)
 
Resources (27)
 
Reflections (2)
image imaginary numbers day 2
   

Complex Numbers and Quadratic Equations Review

Algebra II » Unit: Complex Numbers and Quadratic Equations
Algebra II » Unit: Complex Numbers and Quadratic Equations
Amelia Jamison
Caldwell, ID
Environment: Rural
 
Big Idea:

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

 
Favorites (1)
 
Resources (16)
image quadratic equations
   

Multiplying Complex Numbers, Day 1 of 4

Algebra II » Unit: The Complex Number System
Algebra II » Unit: The Complex Number System
Jacob Nazeck
Fort Collins, CO
Environment: Suburban
 
Big Idea:

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

 
Favorites (2)
 
Resources (11)
 
Reflections (1)
complex number mod and arg
   

Multiplying Complex Numbers, Day 2 of 4

Algebra II » Unit: The Complex Number System
Algebra II » Unit: The Complex Number System
Jacob Nazeck
Fort Collins, CO
Environment: Suburban
 
Big Idea:

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

 
Favorites (2)
 
Resources (9)
complex multiplication image
   

Unit Test

Algebra II » Unit: Imagine This! Imaginary and Complex Numbers
Algebra II » Unit: Imagine This! Imaginary and Complex Numbers
Jarod Hammel
Huntington, IN
Environment: Suburban
 
Big Idea:

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

 
Resources (8)
unit test
   

Complex Numbers Review

Algebra II » Unit: Complex Numbers
Algebra II » Unit: Complex Numbers
Merrie Rampy
Craigmont, ID
Environment: Rural
 
Big Idea:

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

 
Favorites (1)
 
Resources (12)
 
Reflections (1)
thinking3
Common Core Math
 
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