Scale Drawings and Measurements

Mr. Utility explains a problem involving a scale drawing of a book on a computer screen. The video covers determining the scale used for the image and calculating the actual height of the book using this scale. The scale is found by comparing the width of the book on the screen to its actual width, and then applied to find the book's actual height.

What is the width of the book on the computer monitor?

• One inch

• Three inches

• One and a half inches

• Two inches

What is the width of the actual book?

• Nine inches

• Six inches

• Twelve inches

• Fifteen inches

What is the scale used for the image on the monitor?

• 1 inch equals 3 inches

• 1 inch equals 4 inches

• 1 inch equals 5 inches

• 1 inch equals 6 inches

How tall is the book on the computer monitor?

• Five inches

• Four inches

• Three inches

• Two inches

Using the scale, what is the actual height of the book?

• Fifteen inches

• Twelve inches

• Eighteen inches

• Twenty-one inches

What operation is used to find the actual height of the book?

• Addition

• Subtraction

• Division

• Multiplication

What is the purpose of using a scale drawing?

• To make objects appear larger

• To compare sizes accurately

• To change the color of objects

• To measure weight

What is the final calculated height of the book in real life?

• Eighteen inches

• Seventeen inches

• Sixteen inches

• Fifteen inches