Exploring Scale Drawings in Problem Solving

What does a scale factor in scale drawings represent?

• The ratio of dimensions in the drawing to real-life dimensions

• The thickness of the drawing lines

• The time taken to complete the drawing

• The color intensity of the drawing

How do you write a scale of 1 inch to 1.5 feet as a fraction?

• 1.5/1

• 1/1.5

• 1 inch/1.5 feet

• 1.5 feet/1 inch

What is the height of the backdrop in feet when the scale is 1 inch for every 1.5 feet and the photo height is 4 inches?

• 2 feet

• 4 feet

• 8 feet

• 6 feet

What mistake did Ralph make in calculating the area of the backdrop?

• He forgot to convert inches to feet

• He multiplied the area of the photo by the scale factor

• He used perimeter instead of area

• He used the wrong scale factor

What is the correct way to find the area of a scaled object?

• Multiply the length by the width and then apply the scale factor

• Apply the scale factor to the length and width separately, then multiply

• Divide the original area by the scale factor

• Multiply the scale factor by itself before applying

What is the scale factor ratio for the studio apartment floor plan?

• 7 feet for every 2 inches

• 2 feet for every 7 inches

• 7 inches for every 2 feet

• 2 inches for every 7 feet

What is the real-life width of the studio apartment if the floor plan width is 6 inches?

• 21 feet

• 18 feet

• 24 feet

• 15 feet

How is the perimeter of the actual size apartment compared to the floor plan?

• Half as large

• The same

• Three and a half times larger

• Twice as large

What is the area of the studio apartment in square feet?

• 750 square feet

• 500 square feet

• 661.5 square feet

• 900 square feet

How much larger is the area of the actual size apartment compared to the floor plan?

• 8 times larger

• 15 times larger

• 10 times larger

• 12.25 times larger