Mathematics in Construction

Multiple Choice

What is 3/8 converted to a decimal?

• 0.375

• 0.38

• 2.667

• 0.83

Multiple Choice

What is 0.465 converted to a percentage?

• 46.5%

• 0.465%

• 4.65%

• 465

Multiple Choice

What is 68% converted to a fraction?

• 17/25

• 12/15

• 5/7

• 68/10

Multiple Choice

What is 9/16 converted to a percentage?

• 56.25%

• 177.7%

• 77%

• 43.5%

Multiple Choice

Jason wants to build a frame for a piece of art he found online. The website says

it is 36.4 inches wide, but Jason measures in fractions. How wide is the art in

fractions?

• 36 2/5 inches

• 36 2/3 inches

• 36 1/2 inches

• 36 5/8 inches

Multiple Choice

Which of the following is NOT a recommended way of writing ratios?

• Two to one

• 2-1

• 2:1

• 2/1

Multiple Choice

Proportions state which of the following?

• Which ratio is bigger

• Two ratios are equal

• Which ratio is smaller

• Two ratios are unequal

Multiple Choice

• x=32

• x=18

• x=16

• x=8

Multiple Choice

Carl is drawing blueprints for a new building. Although the building will be 40 feet

(480 inches) tall, his drawing is only 10 inches tall. Assuming the drawing is to

scale, what is the ratio of the building to the drawing?

• 48:1

• 480:1

• 40:1

• 4:1

Multiple Choice

Monica is building a statue to honor George Washington. She wants the statue to

be taller than Washington was by a ratio of 2:1. Washington was 6 feet 2 inches

tall. How tall will Monica’s statue be?

• 12 feet 4 inches

• 15 feet

• 9 feet

• 6.5 feet

Multiple Choice

According to the segment, which of the following is NOT required to estimate

materials?

• Ability to perform construction methods

• Understanding of architectural drawings

• Ability to think systematically

• Ability to collect useful data

Multiple Choice

Using ratios so the elements of a drawing are in proportion to the actual room or

building is known as which of the following?

• Drawing true to scale

• Technical drawing

• Drawing for application

• Anchored drawing

Multiple Choice

Amelia is building a fence and wants it to be 40 feet long. Each panel is 8 feet

long, and she will need a post at each end and between each panel. If she does

NOT plan to buy any extra for waste, how many panels and posts will she need?

• 5 panels and 6 posts

• 5 panels and 5 posts

• 4 panels and 5 posts

• 4 panels and 4 posts

Multiple Choice

Kevin is tiling his bathroom. The floor is 6-by-5 feet, minus a 2-by-2.5-feet vanity.

The tiles he likes are 1-by-1 foot. If he plans to buy 10 percent extra for waste,

how many tiles will he need?

• 28 tiles

• 30 tiles

• 33 tiles

• 25 tiles

Multiple Choice

• 0.89

• 0.43

• 0.65

• 1.13