Khan Academy
Khan Academy: Interpret Scale Factor in Scale Drawings
Interpret scale factor in practice scale drawings.
Khan Academy
Khan Academy: Identify Scale Factor in Scale Drawings
Students practice identifying scale factor in scale drawings.
Khan Academy
Khan Academy: Identify Scale Copies
In these practice problems, students will identify scale copies.
Khan Academy
Khan Academy: Corresponding Sides and Points
Practice with corresponding sides and points in scale drawings.
CK-12 Foundation
Ck 12: Measurement: Scale Distances or Dimensions
[Free Registration/Login may be required to access all resource tools.] Recognize unit scale as a ratio between units of measure of scale dimension to actual dimension.
Common Core Sheets
Common Core Sheets: Geometry 7.g.3 Worksheets
Print or create worksheets to assess students' understanding of geometrical figures and describe the relationships between them.
Other
I Coach Math: Scale Factor
Explains what a scale factor is and scenarios where it is used. Presents an example problem and its solution, and includes a video. [9:36]
Alabama Learning Exchange
Alex: Search the Perimeter and Secure the Area
This instructional activity will not only help students compare and contrast the concepts of area and perimeter, but it will also move toward the concept that area is maximized while minimizing perimeter with a square.
Alabama Learning Exchange
Alex: Shaping the Future
Students will utilize new found knowledge of architectural design and engineering to apply math and science skills in building a structure. By using interactive websites, they will create scale drawing plans and design and engineer a...
Alabama Learning Exchange
Alex: Circles All Around Us
In this activity, students will estimate several dimensions of circles in everyday objects. Students will use the metric and customary systems for their estimations. This lesson plan was created by exemplary Alabama Math Teachers through...
Alabama Learning Exchange
Alex: "Movin' on Up"
Middle schoolers will use their knowledge of scale factor to enlarge a picture to scale. They will then use PhotoStory to create a collage of their pictures. This lesson plan was created as a result of the Girls Engaged in Math and...
Alabama Learning Exchange
Alex: Similar Figure Activity
The purpose of this lesson is to allow students to self-discover the relationships between similar figures. The students should then take what they learn about these relationships and apply these concepts to problem-solving.
National Council of Teachers of Mathematics
Nctm: Illuminations: Scale Factor
Use this applet to investigate how changes in the scale factor influence the ratio of perimeters and the ratio of areas between two figures.
Shodor Education Foundation
Shodor Interactivate: Image Tool
Measure angles, distances, and areas in several different images (choices include maps, aerial photos, and others). A scale feature allows the user to set the scale used for measuring distances and areas.
Geometry Help
Geometry Help: Area of Geometric Shapes
Explains the basic concept of the area of geometric shapes with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Khan Academy
Khan Academy: Drawing Polygons With Coordinates Challenge
More challenging problems involving drawing shapes on the coordinate plane.
Khan Academy
Khan Academy: Draw Lines of Symmetry and Symmetrical Figures
Practice drawing lines of symmetry and creating symmetrical figures.
PBS
Pbs Learning Media: Kid Vid: Scaling Up Rectangles
Watch a student think through a problem about how the area of a rectangle changes when both sides are increased by the same scale factor and use online tools to demonstrate understanding of concepts related to area and scale factors in...
PBS
Pbs Learning Media: Math + Arts: Jack & Hardy Hard Head
In this lesson, middle schoolers create and solve problems related to scale and write and perform a scene to share their problems and solutions. Media resources and teacher materials are included.
Ministry of Education and Employment of Spain
Red Escolar: Jugando Con Sombras
In Spanish. Learn how to copy a figure using graph paper and also have fun playing with shadows.
National Council of Teachers of Mathematics
The Math Forum: Oblique Drawing
This Web site provides an explanation for what oblique drawings are. Compares oblique drawings to isometric drawings.