Texas Education Agency
Texas Gateway: Determining the Effects of Proportional Change on Area
Given pictorial representations and problem situations involving area, the student will describe the effects on area when dimensions are changed proportionally.
Science Buddies
Science Buddies: Shape Changing With the Cyber Squad
In this project, you will make 2-dimensional templates, called nets, that fold up into 3-dimensional (3-D) shapes. By making shapes of different sizes, you will be able to see how 3-D shapes change with size. In your findings you will...
Texas Education Agency
Texas Gateway: Investigating and Applying Dimension Changes: Area
The student will describe the effects of changing one or more dimensions on the area of a figure.
Texas Education Agency
Texas Gateway: Determining the Effects of Proportional Change on Perimeter
Given pictorial representations and problem situations involving perimeter, the student will describe the effects on perimeter when dimensions are changed proportionally.
Texas Instruments
Texas Instruments: Dimensions and Area
In this activity, students discover the relationship between a change in the dimensions of a rectangle and the change in the corresponding area.
Digital History
Digital History: Dimensions of Change in Colonial New England
Dissension in Massachusetts Bay Colony resulted in the formation of other New England colonies. Read about their formations, and the impact on the Native Americans in the area.
Texas Instruments
Texas Instruments: Math Today Wing Tabs Save Fuel
Using the USA TODAY Infograph, 'Wing tabs save fuel', ratios and proportions will be used to explore the concept of similarity between a drawing/model and the actual dimensions. The effects of dilation (size change) on an image and...
CK-12 Foundation
Ck 12: Plix Series: Metric Units
[Free Registration/Login Required] Change the dimensions in this four-quadrant graph to explore metric scale. After the activity, answer a challenge question to check for understanding.