Expanded Notation Quiz

The weight in pounds of a laptop computer is shown in expanded notation as (5 x 1) + (3 x 0.1) + (5 x 0.01). Written as a numeral, what is this weight in pounds?

• A 5.035

• B 5.35

• C 0.535

• D 5.035

A microwave oven costs five hundred eight dollars and twenty-nine cents. How is this number written in expanded notation?

• F (5 x 100) + (8 x 10) + (2 x 0.1) + (9 x 0.01)

• G (5 x 100) + (8 x 1) + (2 x 0.01) + (9 x 0.01)

• H (5 x 100) + (8 x 1) + (2 x 0.1) + (9 x 0.001)

• J (5 x 100) + (8 x 1) + (2 x 0.1) + (9 x 0.01)

Ruby wrote the number 2.375. Which is NOT a way to represent the value of the 5 in Ruby's number?

• A 5 x 0.001

• B 0.005

• C 5 x 1/1,000

• D 5.000

The length in centimeters of a stylus is shown in expanded notation as (1 x 10) + (6 x 1) + (9 x 0.01) + (5 x 0.001). Written as a numeral, what is this length in centimeters?

• F 16.095

• G 16.95

• H 16.905

• J 160.95

Diego wrote a number. The digit in the hundredths place was a 7, the digit in the ones place was a 2, and the digit in the tenths place was a 9. What number could Diego have written?

• A 702.9

• B 92.07

• C 2.970

• D 20.97

A temperature in degrees Fahrenheit is shown in expanded notation as (8 x 10) + (5 x 1) + (7 x 1/10) + (6 x 1/100). How is this temperature in degrees Fahrenheit written as a numeral?

• F 85.67

• G 857.6

• H 85.76

• J 8.576

The sound of an alarm was measured at 79.508 decibels. How is this number written in expanded notation?

• A (7 x 10) + (9 x 1) + (5 x 0.01) + (8 x 0.001)

• B (7 x 10) + (9 x 1) + (5 x 0.1) + (8 x 0.001)

• C (7 x 10) + (9 x 1) + (5 x 0.1) + (8 x 0.01)

• D (7 x 10) + (9 x 1) + (5 x 0.01) + (8 x 0.01)

The diameter of a penny is 19.05 millimeters. How is this number written in expanded notation?

• F (1 x 10) + (9 x 1) + (5 x 0.1)

• G (1 x 100) + (9 x 1) + (5 x 0.01)

• H (1 x 10) + (9 x 1) + (5 x 0.01)

• J (1 x 10) + (9 x 1) + (5 x 0.001)

Clarence borrowed $158 from his brother. He will pay him back $40 each month until he has paid all the money back. About how many months will it take Clarence to pay his brother the money he owes?

• 6 months

• 3 months

• 4 months

• 2 months

At Mr. Greene's electronics store, tablet computers are listed for sale for $212.99. Which is the best estimate of the cost of 6 of these computers?

• $1,400

• $220

• $1,000

• $1,200