7th Math 1.17 Classwork 22-23

Last updated over 2 years ago
6 questions

Math - [Lesson 1.17]

Teacher: Mr. Kovalik (408) 314-1092


Objective and Summary:
SWBAT create a scale drawing with a given scale factor
1

Logo--Mr. Mancini is making some changes to Prizer's design. The original logo is 10 inches by 8 inches.
He wants to make a large banner for fans to hold during basketball games using a scale factor of 8.5.
What will the new dimensions be?

**When you draw the new scale drawing, you can just use a rectangle for the basic shape. You do not have to draw the actual image**

"The new dimensions of the large banner are... _______ by ________ "

CFS:
#1: Accurately compute scale dimensions using scale factor
#2: Accurately create and label scale drawing

1

Portrait--Mr. Kovalik recently had a large family portrait taken that measures 48 inches by 60 inches.
The photographer sent Mr. Kovalik a digital file that had a scale factor of \frac{1}{4} compared to the original size. What were the dimensions of the digital file?

"The dimensions of the digital file are... _______ by ________ "

CFS:
#1: Accurately compute scale dimensions using scale factor
#2: Accurately label scale drawing

MEDIUM Problems
1

Beans--Ms. Bizzell likes a candy called Boston Baked Beans. She wants to take a picture from the company's website and use a scale factor of \frac{2}{3} to put a scale drawing in her classwork.
What will the new dimensions be?

CFS:
#1: Accurately compute scale dimensions using scale factor
#2: Accurately label scale drawing

1

Sports—Ms. Portilla wants to create a new sport called EXTREME Tetherball that uses huge tetherballs. Regular tetherballs are 24 centimeters wide. If Ms. Portilla uses a scale factor of 2\frac{1}{2} in her design, what is the new width (also called diameter) of the tetherballs?

SPICY Problems (Only try if you have time)
1

Windows—Ms. Zangrilli is building a dollhouse for her daughter that is a scale model of their house. Their house has a circular window with a diameter of 5 feet. If the scale factor for the model house is \frac{1}{30}, create and label a scale drawing of the window using inches.

4

Pool—A small rectangular pool in your friend’s yard is 15 feet by 40 feet. You want to create a scale drawing in which the scale factor is \frac{3}{4} the size on the scale drawing.

Create and label the scale drawing. What are the new dimensions?

"The new dimensions are... __________ by __________"

CFS:
#1: Accurately compute scale dimensions using scale factor
#2: Accurately label scale drawing

Awesome!!

There are some more challenging scale drawing problems on IXL where you have to convert units (like centimeters to inches) before answering.

You can...
1) Work on scale drawings on IXL (Search code: 84H)

2) Work on your lowest diagnostic skills