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Interactive
CK-12 Foundation

Square Roots and Irrational Numbers: Estimating Radicals

For Students 8th - 10th
Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between by...
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Lesson Plan
Curated OER

Completing the Square #3

For Teachers 11th
In this Algebra II worksheet students solve quadratic equations by completing the square.  The one page worksheet contains ten problems.  Solutions are not provided. 
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Worksheet
Curated OER

Complete the Square

For Students 9th - 12th
In this quadratic equations worksheet, students complete the square, factor a trinomial, and solve using square roots. There are eight questions with a provided workspace.
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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.
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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).
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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 included.
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Lesson Plan
1
1
EngageNY

Deriving the Quadratic Formula

For Students 9th - 10th Standards
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...
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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...
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Lesson Plan
EngageNY

Does Every Complex Number Have a Square Root?

For Teachers 11th - 12th Standards
Help the class find a better way. Pupils recall finding nth roots or a complex number in polar form from a previous module to find the square root of a complex number. Using the second installment in a series of 23, scholars discover it...
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Lesson Plan
Curated OER

Quadratic Equations

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

Chapter 11 - Objective 2.1 - Completing the Square

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

Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
A great resource for any math teacher covering multiples, factors or square roots; this learning exercise walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually...
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Handout
3
3
El Paso Community College

Quadratic Equations

For Students 9th - 12th Standards
This resource has everything you need to know about solving quadratic equations. Factoring, completing the square, the quadratic formula, and using the discriminant are all there with with worked out examples and a 25 problem worksheet...
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Worksheet
Curated OER

Completing the Square

For Students 8th - 10th
In this completing the square worksheet, students solve problems by completing the square. They determine the value of the unknown in the binomial. This two-page worksheet contains 30 problems. Answers are provided on the last page.
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Interactive
CK-12 Foundation

Evaluation of Square Roots

For Students 8th - 10th Standards
Think outside the box and use an engaging, interactive app that shows the relationship between square roots and squares using an actual square. Pupils find that moving a slider increases the side length of a square and its associated area.
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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...
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Assessment
Inside Mathematics

Magic Squares

For Teachers 9th - 12th Standards
Prompt scholars to complete a magic square using only variables. Then they can attempt to solve a numerical magic square using algebra. 
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Printables
1
1
Houghton Mifflin Harcourt

Unit 7 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Thirty-eight flashcards make up a set designed to reinforce math vocabulary. Two types of cards can be found here; a word card in bold lettering, and a corresponding definition card that offers a labeled example. Terms include area,...
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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.
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Worksheet
Curated OER

Completing the Square

For Students 8th - 10th
For 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.
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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.
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Worksheet
Curated OER

Solving Quadratic Equations by Completing the Square

For Students 9th - 12th
In this solving quadratic equations worksheet, students complete the square to tell the possible answers for 18 equations. 4 answers involve the square root of -1 (i).
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Lesson Plan
EngageNY

Construct a Square and a Nine-Point Circle

For Students 9th - 10th Standards
Anyone can draw a square, but can you CONSTRUCT a square? Here is a resource that challenges math scholars to create steps to finish their own construction. They test their ability to read and follow directions to complete a construction...
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Lesson Plan
EngageNY

Graphing Cubic, Square Root, and Cube Root Functions

For Students 9th - 10th Standards
Is there a relationship between powers and roots? Here is a lesson that asks individuals to examine the graphical relationship. Pupils create a table of values and then graph a square root and quadratic equation. They repeat the process...