Scale Factors
- Author:
- Samantha Dean
Rectangles
1) Find the dimensions of the scale model when the dimensions of the original model is 4x6 and the scale factor is 2. Find the perimeter and area of the original and scale model. Record your answers below.
2) Find the dimensions of the scale model when the dimensions of the original model is 8x11 and the scale factor is 3. Find the perimeter and area of the original and scale model. Record your answers below.
3) Find the dimensions of the scale model when the dimensions of the original model is 9x27 and the scale factor is 1/3. Find the perimeter and area of the original and scale model. Record your answers below.
4) Find the dimensions of the scale model when the dimensions of the original model is 8x28 and the scale factor is 1/4. Find the perimeter and area of the original and scale model. Record your answers below.
Triangles (Right Triangles)
5) Find the dimensions of the scale model when the dimensions of the original model is 3(side), 4(side), 5(hypotenuse) and the scale factor is 2. Find the perimeter and area of the original and scale model. Record your answers below.
6) Find the dimensions of the scale model when the dimensions of the original model is 5(side), 12(side), 13(hypotenuse) and the scale factor is 3. Find the perimeter and area of the original and scale model. Record your answers below.
Do you notice any patterns?
Record your ideas about patterns you notice during and after this activity. Record your own ideas first, then add any ideas that you and your group discuss.