Construction Math

Convert 0.33 into a percentage

• 0.33%
• 0.0033%
• 33%
• 3.3%

Moving the decimal left twice is how you convert a decimal to a percent.

• True
• False

You are mixing paint. You need to mix 38 gallons. For each gallon, you need 0.02 gallons of paint thinner. How many gallons of thinner do you need? (round your answer to the nearest tenth)

• 6.6 gallons
• 0.76 gallons
• 0.8 gallons
• 7.6 gallons

Calculate the volume of a 6 meter cube

• 18 sq m
• 54 cu yd
• 108 cu m
• 216 cu m

Convert 0.64 into a fraction. Reduce to lowest terms

• 64/100
• 64/10
• 16/25
• 2/5

You have to lay tile in a 12 foot square room. The area is ______ square feet.

• 48
• 72
• 144
• 24

5/8 x 1/2=___. Reduce your answer to lowest terms

• 10/8
• 5/4
• 4/5
• 5/16

Calculate the area of a triangular yield sign with base of 36 inches and a height of 36 inches.

• 72 sq in
• 1,296 sq in
• 648 sq in
• 108 sq in

An electrician has to put in 115 electrical sockets in a home. Each socket costs $2.15. What is the total cost of the sockets needed?

• $247.52
• $247.25
• $274.25
• $225.74

Convert 7/9 into a decimal. Round to the nearest hundredth.

• 0.777
• 0.77
• 0.78
• 0.778