1 Use digits to write the number that is expressed in words: Eighteen and fifteen thousandths

18.15

18.015

1815

18.0015

2 Use digits to write the number that is expressed in words: Five hundred thousand six and twelve thousandths

500,000.612

500,006.012

500,006.12

500,006.0012

3 Use words to write the number that is expressed in digits: 4.284

four and two hundred eighty four hundredths

four and two hundred eighty four ten-thousandths

forty-two and two hundred eighty-four thousandths

four and two hundred eighty-four thousandths

4 Use words to write the number that is expressed in digits: 12.7344

twelve and seven thousand three hundred forty-four ten-thousandths

twelve and seven thousand three hundred forty-four hundred thousandths

twelve and seven thousand three hundred forty-four thousandths

twelve and seven thousand three hundred forty-four hundredths

5 Use words to write the number that is expressed in digits: 0.6009

six thousand nine thousandths

six thousand nine hundredths

six thousand nine ten-thousandths

six thousand nine hundred thousandths

6 Round the monetary amount to the nearest cent: $41.875

$41.88

$41.87

$41.90

$41.89

7 Round the nonmonetary number to the nearest thousandth: 0.69164 pounds

0.691 pounds

0.692 pounds

0.6916 pounds

0.700 pounds

8 Add the following decimal numbers.

0.885 + 0.39 + 0.0053 =

1.2813

0.2803

1.2803

1.2913

9 Add the following decimal numbers.

36.7484 + 590.28 + 4.1763 =

631.2049

630.2047

599.3047

631.2047

10 Add the following decimal numbers.

0.854 + 0.86 + 0.3525 =

2.0667

2.0668

2.0665

1.0668