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.
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...