The Complex Number System
HSN-CN.A.2
Scroll Up
- HSN-CN.A.1Know 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.2Use 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.
Scroll Down
HSN-CN.A.2
Use the relation i^{2} = -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
Big Idea:
Multiple models are use to represent computations with complex numbers.
Standards:
Favorites
(6)
Resources
(14)
Big Idea:
Play Jeopardy to fill those odd days before break or during homecoming week with meaningful mathematical activities like this Jeopardy game.
Standards:
HSN-CN.A.1
HSN-CN.A.2
HSA-SSE.A.2
HSA-CED.A.1
HSA-CED.A.2
HSA-CED.A.3
HSA-CED.A.4
HSA-REI.A.2
HSA-REI.D.11
HSF-IF.B.4
HSF-IF.B.5
HSF-IF.B.6
HSF-IF.C.7
HSF-IF.C.8
HSF-BF.B.3
HSF-BF.B.4
HSF-LE.A.4
HSF-TF.A.1
HSF-TF.A.2
HSF-TF.B.5
HSF-TF.C.8
HSS-ID.A.4
HSS-IC.A.1
HSS-IC.A.2
HSS-IC.B.3
HSS-IC.B.4
HSS-IC.B.5
HSS-IC.B.6
HSS-MD.B.6
HSS-MD.B.7
MP1
MP2
MP6
Favorites
(11)
Resources
(8)
Complex Numbers and Quadratic Equations Test
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Test student on their knowledge of complex numbers and quadratic equations..
Favorites
(1)
Resources
(10)
Completing the Square Day 1 of 2
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Compare and contrast the effectiveness of multiple methods of solving quadratic equations.
Standards:
Favorites
(3)
Resources
(19)
Simplifying Square Roots
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Area models introduce this Common Core transitional lesson on simplifying square roots.
Standards:
Favorites
(4)
Resources
(25)
Reflections
(2)
Quadratic Formula
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Build the concept of the quadratic formula by deriving it from completing the square.
Standards:
Favorites
(2)
Resources
(18)
Imaginary Numbers Day 1 of 2
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Repeated reasoning is a central feature in this lesson.
Standards:
Favorites
(7)
Resources
(20)
Reflections
(1)
Completing the Square Day 2 of 2
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Compare and contrast the effectiveness of multiple methods of solving quadratic equations.
Standards:
Resources
(19)
Complex Numbers Day 2 of 2
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Multiple models are use to represent computations with complex numbers.
Standards:
Favorites
(1)
Resources
(18)
Imaginary Numbers Day 2 of 2
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Repeated reasoning is a central feature in this lesson.
Standards:
Favorites
(5)
Resources
(27)
Reflections
(2)
Complex Numbers and Quadratic Equations Review
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Algebra II »
Unit: Complex Numbers and Quadratic Equations
Big Idea:
Students create a personal study plan as they review complex numbers and quadratic equations.
Standards:
Favorites
(1)
Resources
(16)
Multiplying Complex Numbers, Day 1 of 4
Algebra II »
Unit: The Complex Number System
Algebra II »
Unit: The Complex Number System
Big Idea:
Students explore and explain correspondences between numerical and graphical representations of arithmetic with complex numbers.
Standards:
Favorites
(2)
Resources
(11)
Reflections
(1)
Multiplying Complex Numbers, Day 2 of 4
Algebra II »
Unit: The Complex Number System
Algebra II »
Unit: The Complex Number System
Big Idea:
Students explore and explain correspondences between numerical and graphical representations of arithmetic with complex numbers.
Standards:
Favorites
(2)
Resources
(9)
Big Idea:
Students help design their own review outline focusing on what they need to study instead of cramming on everything!
Standards:
Favorites
(1)
Resources
(12)
Reflections
(1)
Unit Test
Algebra II »
Unit: Imagine This! Imaginary and Complex Numbers
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).
Standards:
Resources
(8)
Common Core Math
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
HS Number & Quantity
HS Algebra
HS Functions
HS Geometry
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
Eighth Grade
Ninth and Tenth Grade
Kindergarten
First grade
Second grade
Third Grade
Fourth grade
Fifth grade
Middle School
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
HS Number & Quantity
HS Algebra
HS Functions
HS Geometry
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
Eighth Grade
Ninth and Tenth Grade
Kindergarten
First grade
Second grade
Third Grade
Fourth grade
Fifth grade
Middle School