Inv 1.1 and 1.2 Day 2 Work

 

Stretching and Shrinking

Find the ink to the online book here.  

We will start on Page 7.

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Day 2 

Continue to Page 8 

1. TASK: 

Read the scenario about the mystery club.

What do you think Daphne has in mind as the Mystery Teacher? Use the picture and the information about the height of the magazine to estimate the teacher's height. Explain your reasoning.

2. APPLICATION

Directions:

Using your scale drawings from Wednesday, describe how the original figure and the image are alike and how they are different. Compare these features:

a. How do the general shapes of the two rectangles compare?

b. How do the lengths of the line segments of the two rectangles compare?  Give an example.

c. How do the perimeters of the rectangles compare?  List them both below.   Help Video on Perimeter

Perimeter of original rectangle: ______   Perimeter of the scaled down rectangle: _____ How do they compare?

d. How do the areas of the rectangles compare?  List them both below. Help Video on Area.

Area of original rectangle: ______   Area of the scaled down rectangle: _____ How do they compare?

e. How do the angles in the two rectangles compare?

Now move onto the Rectangles

a. How do the general shapes of the two triangles compare?

b. How do the lengths of the leg line segments of the two triangles compare?  Give an example.

c. How do the areas of the triangles compare?  List them both below. Help Video on Area.

Area of original rectangle: ______   Area of the scaled down rectangle: _____ How do they compare?

d. How do the angles in the two rectangles compare?