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Interactive
CK-12 Foundation

Multiplication and Division of Radicals: Totally Radical Dude's Height

For Students 8th - 10th
Watch as your learners reach even loftier heights of understanding. Individuals use a slider to estimate the height of a person whose height is given in radical form. Rationalizing the denominator comes in handy here.
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Lesson Plan
Curated OER

Geometry of The World War II Memorial

For Teachers 6th - 9th
Pupils develop an appreciation of the use of geometry in our everyday world and structures. Students collect various picures and multimedia objcets that explain geometric principles and place them in a powerpoint presentation to be...
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Lesson Plan
EngageNY

Multiplying and Dividing Expressions with Radicals

For Students 9th - 10th Standards
That's radical! Simplifying radicals may not be exciting, but it is an important skill. A math lesson provides explanations of properties used throughout the material. Scholars practice skills needed to multiply and divide radical...
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Interactive
CK-12 Foundation

Subtraction of Fractions: Fragmented Fractions

For Students 5th - 8th Standards
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion. 
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Interactive
CK-12 Foundation

Addition of Fractions

For Students 4th - 8th Standards
Five word-problems challenge mathematicians to add fractions. Interactive fraction circles assist scholars in problem-solving. Question types include multiple-choice, true or false, and a discussion.  
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Lesson Plan
EngageNY

The Definition of Sine, Cosine, and Tangent

For Students 9th - 10th Standards
Introduce your classes to a new world of mathematics. Pupils learn to call trigonometric ratios by their given names: sine, cosine, and tangent. They find ratios and use known ratios to discover missing sides of similar triangles. 
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Interactive
CK-12 Foundation

Equivalent Fractions

For Students 3rd - 6th Standards
An interactive made up of five questions tests scholars' knowledge of equivalent fractions. Two fraction circles with moveable parts assist mathematicians in finding solutions. Questions are multiple-choice with one discussion. 
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Interactive
CK-12 Foundation

Multiplication of Whole Numbers by Fractions: Multiplication of Fractions by Whole Numbers

For Students 6th - 8th Standards
An interactive challenges mathematicians to multiply fractions by whole numbers. A model provides a clear visual aid in preparing whole numbers to be multiplied. Six questions include multiple-choice, fill in the blank, short answer, and...
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Interactive
CK-12 Foundation

Fractions as Percents: Baking Cookies

For Students 6th - 8th Standards
A five-question interactive challenges mathematicians to solve word problems involving fractions as percents. Baking two different types of cookies and needing the exact amount requires scholars to make fractions, turn them into...
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Interactive
CK-12 Foundation

Percent of a Number: Acid Solution

For Students 6th - 8th Standards
Mathematicians answer five questions about percents, ratios, and proportions with help from an interactive graduated cylinder. Question types include multiple-choice, fill-in-the-blank, and discussion. 
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Lesson Plan
Curated OER

Math Centers

For Teachers 5th
Fifth graders review the concepts of fractions: improper, mixed, proper, like denominator addition. They then review the concepts of creating pie graphs using a percent circle using manipulatives.
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Worksheet
Curated OER

Practice With Fractional Exponents

For Students 9th - 10th
In this fractional exponents worksheet, students solve problems containing fractional exponents. Rules for exponent are available for assistance. This one-page worksheet contains 11 problems. An answer key is provided.
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Worksheet
Curated OER

Simple Fraction Identification

For Students 4th - 5th
In this fraction worksheet. students observe models of fractions and determine the correct name for the fraction shown. Fractions 1/2 and 1/4 are emphasized. Students circle the correct answer in some problems, and in others, they...
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App
Oddrobo Software

King of Math Junior

For Students K - 6th Standards
Do your students have what it takes to be the king of math? Find out with this fun skills practice game that covers a wide range of topics from counting and basic operations to measurement and fractions.
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Interactive
CK-12 Foundation

Equivalent Fractions: Number Line

For Students 3rd Standards
Arrange improper fractions on a number line to determine the equivalency to whole numbers. The number line starts at -4 and ends at 4, while users must turn the improper fraction into a proper fraction in order to place it on the number...
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Interactive
CK-12 Foundation

Add and Subtract Three Mixed Numbers: Walking to School

For Students 6th - 8th Standards
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
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Interactive
CK-12 Foundation

Sums of Mixed Numbers: Split the Addition

For Students 5th - 8th Standards
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.  
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Worksheet
Curated OER

Comparisons with Circles

For Students 8th - 10th
In this geometry worksheet, students are asked to solve fractions using circles. They divide the circles into different parts and use inequality symbols to identify the parts needed. There are 36 problems dealing with fractions.
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Worksheet
Curated OER

Multiplication and Division of Rational Expressions

For Students 9th
In this rational expressions worksheet, 9th graders identify and solve 15 different problems that include multiplying and dividing various rational expressions. First, they multiply or divide each pair of rational expressions. Then,...
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Worksheet
Curated OER

Triangular Numbers

For Students 10th
In this geometry worksheet, 10th graders calculate the total triangular number, which-is equal to all the dots it takes to make a triangle. There are 8 different questions asking you to find the triangular number for different triangles.
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Worksheet
Curated OER

The Corners of a Square

For Students 10th
In this geometry worksheet, 10th graders cut the corners off of a square so that a regular octagon remains.  Students determine the length of each side of the octagon.  The one page worksheet contains one problem with the solution. 
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Lesson Plan
Curated OER

Geogebra Basics

For Teachers 9th - 11th
Students identify basic geometric shapes using Geogebra. For this geometry lesson, students work on a laptop as they explore different geometric shapes. They calculate the area and perimeter of triangles.
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Lesson Plan
Curated OER

Creating Tessellations

For Teachers 3rd
Third graders explore the history of tessellations; then use art and geometry to create an original tessellation.
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Lesson Plan
Curated OER

Identifying Patterns

For Teachers K - 1st
Students investigate the elements of a pattern.  In this geometry lesson, students identify different shapes in a pattern and discover which shapes are missing in order to extend it.  Students create their own patterns using geometric...