Deck 11: Addition

Question 1

A mechanical drafter measures off segments on a center line. The lengths she measures are: 4.95 centimeters, 5.65 centimeters, 0.84 centimeters, 7.32 centimeters, and 4.25 centimeters. What is the overall length of the line in centimeters?

Answer 1

23.01 centimeters

Question 2

During each of the five days in one week, a civil drafter worked 8.75 hours, 9.25 hours, 7.5 hours, 9.75 hours, and 7.5 hours. How many hours did the drafter work for the five days?

Answer 2

42.75 hours

Question 3

To add decimal fractions, place the fractions in columns, aligning the decimal points.

Answer 3

True

Question 4

A CAD drafter purchased a CAD station for use at home. The computer and software cost a total of $5,795.75. Later he added a plotter that cost $1,895.85, a printer that cost $359.99, and an external hard drive that cost $175.75. What was the total cost of the CAD station and all the additional items purchased?

Question 5

Add the following decimal fractions: $1,327.66 + $632.54 + $13.29 =

Question 6

The thicknesses of six machine parts are measured with a micrometer. The measurements are 0.077", 1.348", 0.6164", 1.806", 0.415", and 3.182". What is the total thickness, in inches, of the parts?

Question 7

The third place to the right of the decimal point in a decimal fraction is called the hundredths place.

Question 8

Add the following decimal fractions: 3.125 0.25 +1.125

Question 9

Add the following decimal fractions: 1.677 meters + 6.6329 meters + 10.6721 meters + 0.2776 meters =

Question 10

Add the following decimal fractions: 19.299 51.545 6.72 + 5.56