Oswego City School District
Regents Exam Prep Center: Completing the Square
A lesson, practice exercise, and teacher resource to help you plan classroom instruction on completing the square. Lesson contains steps to completing the square and two step-by-step examples; practice exercise is a five-question quiz...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Completing the Square
Twenty problems present a variety of problems working with various aspects of completing the square to solve equations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem...
CK-12 Foundation
Ck 12: Algebra: Completing the Square
[Free Registration/Login may be required to access all resource tools.] Learn how to complete the square in order to solve quadratic equations.
CK-12 Foundation
Ck 12: Algebra: Completing the Square
[Free Registration/Login may be required to access all resource tools.] Solve quadratic equations by completing the square.
CK-12 Foundation
Ck 12: Algebra: Completing the Square
[Free Registration/Login may be required to access all resource tools.] Learn how to complete the square in order to solve quadratic equations.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Completing the Square
Here is a site that clearly and thoroughly explains how to solve quadratic equations by completing the square. The quadratic formula is derived using this method on this page. Point this site out to students who have been absent or who...
National Council of Teachers of Mathematics
Nctm: Illuminations: Proof Without Words Completing the Square
Students use this computer applet to visualize the concept of completing the square.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Completing the Square
Seventeen problems present a variety of practice completing the square. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check...
Illustrative Mathematics
Illustrative Mathematics: N cn.c.7 and a rei.b.4.a: Completing the Square
The goal of this task is to solve quadratic equations with complex roots by completing the square. Aligns with N-CN.C.7 and A-REI.B.4.aI.
Discovery Education
Discovery Education: Web Math: Complete the Square on a Polynomial
This WebMath site allows the student to type in a quadratic and have it solved by the completing the square method.
Mangahigh
Mangahigh: Algebra: Completing the Square
This site provides students practice with the concept of completing the square. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Algebra: Completing the Square Coefficient of X2 More Than 1
This site provides students practice with the concept of completing the square. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Khan Academy
Khan Academy: Solving Quadratics by Completing the Square
Practice some multiple-choice problems solving quadratics by completing the square.
Other
Nearpod: Quadratic Equations: Completing the Square
For this lesson on completing the square, learners explore the connection between area models and perfect square trinomials. They also learn how to complete the square to transform a quadratic equation into vertex form.
Wyzant
Wyzant: Completing the Square
The resource examines the algebra topic of completing the square. Students learn how to complete the square by reading the lesson and test their knowledge with practice problems. The resource includes a completing the square calculator.
Cool Math
Coolmath: Graphing by Completing the Square Freaky Things That Can Happen
This algebra lesson shows how to deal with different types of things that can happen when you are completing the square.
Cool Math
Coolmath: Completing the Square 2 Exercises
This Algebra Cruncher generates an endless number of practice problems for completing the square with solutions.
CK-12 Foundation
Ck 12: Algebra: Completing the Square When the Leading Coefficient Equals 1
This lesson covers completing the square when the leading coefficient is one.
Cool Math
Coolmath: Graphing by Completing the Square Intro
This algebra lesson introduces how to complete the square in a parabola.
National Council of Teachers of Mathematics
Nctm: Illuminations: Proof Without Words: Completing the Square
Use this interactive geometric proof to complete the square using geometry.
Purple Math
Purplemath: Completing the Square: Ellipses Equations
Demonstrates step-by-step how to complete the square for ellipses and hyperbolas. Includes several charts and graphs for understanding.
Cool Math
Coolmath: Graphing by Completing the Square How
Explore and understand graphing by completing the square.
Khan Academy
Khan Academy: Completing the Square (Intro)
Try these multiple-choice practice problems on completing the square.
Khan Academy
Khan Academy: Completing the Square
Solve quadratic equations of the form ax^2+bx+c by completing the square. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.