The asteroid is getting closer and the question is whether the state of Alabraska is large enough for the shelter calculated in the previous activity. Teams determine the scale of their project and then use the scale on the map to...

Students use Geometer's Sketchpad to examine the scale factor when in is applied to the length of a figure's sides. They look at how the scale factor affects the side lengths, perimeter, and area of the figure that result. They work with...

Help your class understand the magnitude of the distance between Earth and Mars with an activity that asks small groups to use balloons to create scale models of the Earth, Moon, and Mars. Class members figure out the distances...

We can't build our dream house yet, but we can definitely build a model. Scholars use floor plans to build models of their dream homes. Cardboard is as good as any material for this purpose.

Students observe the cracks in school walls and pavements. In this geometry lesson plan, students explore the factors to be considered before building a structure. They complete a graphing and calculation worksheet after the...