Lesson Plan
Curated OER

Solve One Quadratic Equation by Completing the Square

For Teachers 9th - 11th
In this completing the square worksheet, students solve one quadratic equation by completing the square.  The solution is provided.
Lesson Plan
Curated OER

Completing the Square

For Teachers 11th
In this Algebra II worksheet, 11th graders respond to a journal prompt in which they write their own quadratic equation and solve it by completing the square.  The one page worksheet contains three questions. Possible answers are...
Worksheet
Curated OER

Solving Equations by Completing the Square

For Students 8th - 9th
In this algebra worksheet, students solve 24 quadratic equations using the process called completing the square. Students must first use mathematics to write the quadratic equation in standard form (ax^2+bx+c=0).
Worksheet
Curated OER

Complete the Square

For Students 9th - 12th
In this quadratic equations activity, students complete the square, factor a trinomial, and solve using square roots. There are eight questions with a provided workspace.
Lesson Plan
West Contra Costa Unified School District

Solving Quadratic Equations – Alternative Methods

For Teachers 9th - 12th
There's more than one way to solve quadratic equations. Scholars learn how to solve quadratic equations using alternate methods. They use completing the square by making the linear coefficient even and the leading coefficient a perfect...
Lesson Plan
EngageNY

Overcoming Obstacles in Factoring

For Students 10th - 12th Standards
What do you do when factoring doesn't work? Learners complete the square when faced with quadratic expression that don't factor traditionally. They then use factoring by grouping to solve polynomial equations.
Worksheet
Curated OER

Chapter 11 - Objective 2.1 - Completing the Square

For Students 9th - 10th
In this completing the square learning exercise, students simplify given equations by completing the square. This one-page learning exercise contains ten problems.
Lesson Plan
Curated OER

Quadratic Equations

For Teachers 8th - 9th
In this algebra worksheet, pupils solve 11 quadratic equations for the given variable. Four problems require students to multiply two binomials. The final 5 problems pupils are to solve by completing the square.
Worksheet
Curated OER

Complete the square

For Students 8th - 12th
In this complete the square worksheet, students complete the square for equations with variables. Students complete the square for 10 problems.
Worksheet
Curated OER

Solving Quadratic Equations by Completing the Square

For Students 9th - 12th
In this solving quadratic equations worksheet, high schoolers complete the square to tell the possible answers for 18 equations. 4 answers involve the square root of -1 (i).
Worksheet
Curated OER

Completing the Square

For Students 8th
In this completing the square worksheet, 8th graders solve 10 different problems that include completing a square. First, they complete the square in the first 8 problems and write their solutions. Then, students determine what values to...
Worksheet
Curated OER

Solving Equations

For Students 9th
In this solving equations instructional activity, 9th graders solve 24 different problems. First, they find the zeros of each function. Then, students solve each equation by factoring. They also solve each equation by completing the...
Worksheet
Curated OER

Completing the Square

For Students 8th - 10th
In this completing the square instructional activity, students solve problems by completing the square. They determine the value of the unknown in the binomial. This two-page instructional activity contains 30 problems. Answers are...
Lesson Plan
EngageNY

Transformations of the Quadratic Parent Function

For Students 9th - 10th Standards
Efficiently graph a quadratic function using transformations! Pupils graph quadratic equations by completing the square to determine the transformations. They locate the vertex and determine more points from a stretch or shrink and...
Interactive
CK-12 Foundation

Use Square Roots to Solve Quadratic Equations: Plus or Minus

For Students 9th - 12th Standards
Get two answers from a single equation. Pupils use the interactive to take the square root of nine and see the graphical representation of the two solutions. Individuals realize that solutions to quadratic equations that are solved by...
App
One Billion

Math, Age 3-5

For Students Pre-K - 1st Standards
Jump start children's math education with this fun basic skills resource. Offering dozens of different touch-and-swipe activities with colorful graphics, this program is perfect for all young learners.
Lesson Plan
Curated OER

Completing the Square Algebraically

For Teachers 9th - 12th Standards
Using TI-Nspire, scholars rewrite quadratic expressions by completing the square. They change the equation into vertex form.  By the end of this lesson, they should be able to change any quadratic equation into vertex form. 
Worksheet
Curated OER

Completing the Square

For Students 8th - 10th
In this completing the square worksheet, students determine the value of the unknown by completing the square. This two-page worksheet contains 18 problems. Answers are provided on the last page.
Activity
Illustrative Mathematics

Slopes and Circles

For Teachers 9th - 12th Standards
An upper-level treatment of what is often presented as a basic concept (the right angle of an inscribed circle on the diameter), this activity really elevates the mathematical thought of the learner! Expected to develop formulas...
Worksheet
Curated OER

Vertex Form of Parabolas

For Students 9th - 11th
Using the method of completing the square, algebra learners rewrite quadratic equations from standard form to vertex form. They will also graph quadratics, stating the vertex and axis of symmetry.  Solutions are provided.
Assessment
EngageNY

End-of-Module Assessment Task - Algebra 1 (Module 4)

For Students 9th - 10th Standards
Critical thinking is an important aspect of mathematics — it's time to put your brain to work! Use this assessment to challenge pupils and test their skills. Concepts assessed include function notation, factoring, completing the square,...
Lesson Plan
EngageNY

Square Roots

For Students 8th Standards
Investigate the relationship between irrational roots and a number line with a resource that asks learners to put together a number line using radical intervals rather than integers. A great progression, they build on their understanding...
Lesson Plan
EngageNY

An Appearance of Complex Numbers 1

For Teachers 11th - 12th Standards
Complex solutions are not always simple to find. In the fourth lesson of the unit, the class extends their understanding of complex numbers in order to solve and check the solutions to a rational equation presented in the first lesson....
Interactive
CK-12 Foundation

Comparison of Fractions, Decimals, and Percents: Filling in the Squares

For Students 6th - 8th Standards
An interactive equipped with five questions challenges mathematicians to convert between fractions, decimals, and percents. A diagram changes its size to visually depict conversions alongside symbols to compare them. Question types...