Lesson Planet
Search educational resources
  • Sign In Try It Free
  • AI Teacher Tools
    • Discover Resources Search reviewed educational resources by keyword, subject, grade, type, and more
    • Curriculum Manager (My Content) Manage saved and uploaded resources and folders To Access the Curriculum Manager Sign In or Join Now
    • Browse Resource Directory Browse educational resources by subject and topic
    • Curriculum Calendar Explore curriculum resources by date
    • Lesson Planning Articles Timely and inspiring teaching ideas that you can apply in your classroom
    • Our Story
    • Frequently Asked Questions
    • Testimonials
    • Contact Us
  • Pricing
  • School Access
    • Your school or district can sign up for Lesson Planet — with no cost to teachers
      Learn More
  • Sign In
  • Try It Free
Purplemath: Complex Numbers: Introduction HandoutPurplemath: Complex Numbers: Introduction Handout
Publisher
Purple Math
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
9th - 10th
Subjects
Math
2 more...
Resource Type
Handouts & References
Audiences
For Administrator Use
2 more...
Lexile Measures
1160L
Handout

Purplemath: Complex Numbers: Introduction

Curated by ACT

This website provides an in-depth lesson on complex numbers. You learn about simplifying, adding, and multiplying complex numbers by viewing example problems that are worked through step-by-step. Continue on to pages 2 and 3 which discuss the connection between complex numbers, the quadratic formula, and graphing.

6 Views 4 Downloads
CCSS: Adaptable

Concepts

complex roots, quadratic formula, complex numbers

Additional Tags

imaginary roots, operations with complex numbers, ccss.math, conjugate, hsn-cn.a.1, hsn-cn.a.2, moduli, oh.math.hsn.cn.1, purple math, purplemath, purplemath: complex numbers: introduction hsn-cn.a.1, hsn-cn.a.2, complex number, imaginary number

Classroom Considerations

  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional

Common Core

HSN-CN.A.1 HSN-CN.A.2 HSN-CN.C.8 HSN-CN.B.5 HSN-CN.A.3 HSN-CN.C.7 HSN-CN.B.4 HSN-CN.B.6

View 12,212 other resources for 9th - 10th Grade Algebra I

© 1999-2026 Learning Explorer, Inc.
Teacher Lesson Plans, Worksheets and Resources

Sign up for the Lesson Planet Monthly Newsletter

Open Educational Resources (OER)

  • Health
  • Language Arts
  • Languages
  • Math
  • Physical Education
  • Science
  • Social Studies
  • Special Education
  • Visual and Performing Arts
View All Lesson Plans

Discover Resources

  • Our Review Process
  • How it Works
  • How to Search
  • Create a Collection

Manage Curriculum

  • Edit a Collection
  • Assign to Students
  • Manage My Content
Contact Us Site Map Privacy Policy Terms of Use