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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Dilation in the Coordinate Plane

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students dilate figures in the coordinate plane. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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Interactive
Shodor Education Foundation

Shodor Interactivate: Fractal Dimensions

For Students 9th - 10th
Determine the fractal dimensions of several line-deformation fractals. Input the scale factor and number of similar copies, and the dimension will be calculated.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Fractured Pictures

For Students 9th - 10th Standards
Generate complicated geometric fractals by specifying starting polygon and scale factor.
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Handout
Geometry Help

Geometry Help: Similar Triangles

For Students 9th - 10th Standards
Explains the basic concept of similar triangles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
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Handout
Quia

Ixl Learning: Dilations

For Students 7th - 9th Standards
Brush up on your math skills relating to dilations then try some practice problems to test your understanding.
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Handout
Quia

Ixl Learning: Similar Triangles

For Students 7th - 9th Standards
Brush up on your math skills relating to similar triangles then try some practice problems to test your understanding.
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Handout
Quia

Ixl Learning: Similarity

For Students 7th - 9th Standards
Brush up on your math skills relating to similarity then try some practice problems to test your understanding.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Dance Performance: Position on a Map

For Students 5th - 6th
This interactive website allows students to practice their map skills including scale factors on a map.
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PPT
Sophia Learning

Sophia: Finding Scale Factors: Lesson 2

For Students 7th - 8th
This lesson demonstrates how to find the scale factor. It is 2 of 5 in the series titled "Finding Scale Factors."
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Unit Plan
Sophia Learning

Sophia: Scale Factor and Area of Similar Figures: Lesson 1

For Students 9th - 10th
This lesson will discuss the relationship between scale factor and area of similar figures. It is 1 of 5 in the series titled "Scale Factor and Area of Similar Figures."
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PPT
Sophia Learning

Sophia: Scale Factor and Surface Area of Similar Figures: Lesson 3

For Students 9th - 10th
This lesson will discuss the relationship between scale factor and surface area of similar figures. It is 3 of 4 in the series titled "Scale Factor and Surface Area of Similar Figures."
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Unit Plan
Sophia Learning

Sophia: Scale Factor and Surface Area of Similar Figures: Lesson 1

For Students 9th - 10th
This lesson will discuss the relationship between scale factor and surface area of similar figures. It is 1 of 4 in the series titled "Scale Factor and Surface Area of Similar Figures."
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PPT
Sophia Learning

Sophia: Scale Factor and Volume of Similar Figures: Lesson 4

For Students 9th - 10th Standards
This lesson will discuss the relationship between scale factor and volume of similar figures. It is 4 of 4 in the series titled "Scale Factor and Volume of Similar Figures."
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PPT
Sophia Learning

Sophia: Scale Factors: Lesson 2

For Students 7th - 8th
This lesson defines the phrase scale factor. It is 2 of 5 in the series titled "Scale Factors."
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PPT
Sophia Learning

Sophia: Similar Polygons and Their Perimeters: Lesson 5

For Students 9th - 10th
This lesson presents the relationship between similar polygons and the ratio of their perimeters. It is 5 of 5 in the series titled "Similar Polygons and their Perimeters."
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PPT
Sophia Learning

Sophia: Scale Factor and Area of Similar Figures: Lesson 3

For Students 9th - 10th Standards
This lesson will discuss the relationship between scale factor and area of similar figures. It is 3 of 5 in the series titled "Scale Factor and Area of Similar Figures."
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Unit Plan
Sophia Learning

Sophia: Similar Polygons and Their Perimeters: Lesson 1

For Students 9th - 10th Standards
This lesson presents the relationship between similar polygons and the ratio of their perimeters. It is 1 of 5 in the series titled "Similar Polygons and their Perimeters."
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Whiteboard
ClassFlow

Class Flow: Similar Figures

For Teachers 6th - 8th Standards
[Free Registration/Login Required] This flipchart is designed to introduce proportional relationships between similar figures. It also introduces the concept of scale factor.
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eBook
Mathigon

Mathigon: Geometry: Transformations and Symmetry: Dilations

For Students 9th - 10th Standards
This lesson focuses on dilations, a dilation is a transformation that resizes a geometric shape, by making it bigger or smaller.