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

Hi, what do you want to do?

Create a lesson plan
Create a lesson plan
Generate resources with 80+ AI teacher tools
Generate resources with 80+ AI teacher tools
Search 200,000 instructional videos
Search 200,000 instructional videos
Find a teaching resource
Find a teaching resource
Quadratic Formula Lesson PlanQuadratic Formula Lesson Plan
Publisher
Curated OER
Curator Rating
Educator Rating
Not yet Rated
Lesson Plan

Quadratic Formula

Curated and Reviewed by Lesson Planet
This Quadratic Formula lesson plan also includes:
  • Teacher Notes
  • Student Activity PDF
  • QUAD.8xp
  • Project
  • Join to access all included materials

This worksheet is part of the TI-Nspire lesson on the quadratic formula. Pupils determine the solutions of a quadratic function by looking at a graph and the discriminant. They use the quadratic formula to solve quadratic functions on their Ti-Nspire.

88 Views 76 Downloads
CCSS: Designed
Concepts

discriminant, quadratic formula, x-intercepts, intercepts, zeros, roots

Additional Tags

discriminant, x-intercept, zeros, solve quadratic by quadratic formula, graph parabola, multiple methods to solve quadratic, math
Show More Show Less

Resource Details

Grade
9th - 12th
Subjects
Math
1 more...
Resource Type
Lesson Plans
Audience
For Teacher Use
Duration
45 mins
Instructional Strategy
Inquiry-Based Learning
Technology
Calculator
Usage Permissions
Fine Print: Educational Use

Common Core

HSA-APR.B.3 HSA-CED.A.2 HSA-REI.B.4.a HSA-REI.B.4.b HSF-IF.B.4 HSF-IF.C.7.a

See similar resources:

Lesson Plan

Using the Quadratic Formula

EngageNY
What is the connection between the quadratic formula and the types of solutions of a quadratic equation? Guide young mathematicians through this discovery as they use the discriminant to determine the number and types of solutions,...
9th - 10th Math
CCSS: Designed
Lesson Plan

Deriving the Quadratic Formula

EngageNY
Where did that formula come from? Lead pupils on a journey through completing the square to discover the creation of the quadratic formula. Individuals use the quadratic formula to solve quadratic equations and compare the method to...
9th - 10th Math
CCSS: Designed
Instructional Video

Proof of Quadratic Formula, Polynomial and Rational Functions, Algebra II

Khan Academy
Armed with their newfound (or refreshed) knowledge of the quadratic formula, viewers can now work with Sal to prove the formula - an essential skill that is often ignored in algebra. Once they learn how to both use and prove the...
8 mins 8th - 11th Math
Instructional Video

How to Use the Quadratic Formula, Polynomial and Rational Functions, Algebra II

Khan Academy
It's the video your algebra class has been waiting for - Sal explains the quadratic formula! He describes it as "one of at least the top five most useful formulas in mathematics" and recommends that it be memorized, provided one also...
17 mins 7th - 11th Math
Instructional Video

Quadratic Formula

Northeast Arkansas Education Cooperative
The mechanics of using the quadratic formula are clearly detailed in this example-full presentation, along with how to identify and walk through the algorithm. Step-by-step attack methods are provided with examples of several different...
9th - 12th Math
CCSS: Designed
Instructional Video

Solving Quadratic Equations by Graphing

Curated OER
With his trusty graphing calculator, Sal begins his lecture on solving quadratic functions by graphing. The video is a good way to show young mathematicians not only how to use the graphing calculator (which Sal describes as "archaic"...
11 mins 7th - 11th Math
Instructional Video

Quadratic Formula

Corbett Maths
When all else fails, use the quadratic formula! A video lesson introduces the quadratic formula to scholars and then demonstrates two problems. One problem results in integer solutions, the other in irrational solutions.
7 mins 8th - 11th Math
CCSS: Adaptable
Lesson Plan

Quadratic Formula

Curated OER
Mathematicians determine the solutions of a quadratic function by looking at a graph. They use the quadratic formula to solve quadratic functions on their Ti-Nspire.
9th - 12th Math
CCSS: Designed
Instructional Video

What is the Quadratic Formula?

Curated OER
What do you do when you are trying to solve a quadratic equation and factoring and graphing aren't working out for you? Use the quadratic formula! Watch this video to find out exactly how to find your solutions with the quadratic...
8 mins 6th - 12th Math
Instructional Video

How was the Quadratic Formula Derived?

Curated OER
If you or your class members are interested in how the quadratic formula is derived, then take a look at this video! The tutorial takes you through each step necessary to derive the quadratic formula from the general form for a quadratic...
10 mins 6th - 12th Math
Try It Free
© 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