Fast Focus: Expanded Notation

Amy wrote a decimal number. The number had a 5 in the hundredths place, a 6 in the thousandths place, a 2 in the ones place, and a 3 in the tenths place. Which represents the value of the 6 in Amy’s number?

• A 0.006

• B 0.06

• C 0.6

• D 0.000

Kazimir wrote 0.539 in expanded notation as shown here. (5 × 1/10) + (3 × 1/100) + (9 × 1/1000) Which shows another way to express the value of the 5 in 0.539?

• F Fifty

• G Five tenths

• H Five thousandths

• J Five hundredths

The diameter of a United States nickel is 0.835 inches. Which shows a way to represent the value of the 3 in this number?

• A (3 × 1/1,000)

• B (3 × 1/100)

• C (3 × 1/10)

• D (3 × 0.001)

Miranda wrote the decimal number below and then underlined a digit. 362.74 Which is NOT a way to represent the value of the underlined digit?

• F 0.04

• G (4 × 1/100)

• H (4 × 0.01)

• J (4 × 1/10)

Mr. Vega wrote a decimal number on a bank check. The value of the 9 in the number was equivalent to (9 × 0.1). Which could be the amount Mr. Vega wrote on the check?

• A $9.75

• B $131.39

• C $92.45

• D $237.95

In which number is the value of the seven equal to (7 × 1/1,000)?

• A 36.074

• B 7,256.05

• C 64.387

• D 769.21

Brandon wrote a number in expanded notation and then underlined a section. (2 × 0.1) + (2 × 0.01) + (2 × 0.001) Which shows another way to represent the value of the underlined section?

• F (2 × 1/100)

• G (2 × 1/1,000)

• H (2 × 1/10)

• J 200

Quanda measured the mass of a book on a scale. She found the mass to be 0.853 kilograms. Which shows a way to represent the value of the 8 in this number?

• A (8 × 1.0)

• B (8 × 1/10)

• C (8 × 1/1,000)

• D (8 × 1/100)

Alexa is thinking of a number. The value of the 1 in her number is equivalent to (1 × 0.001). Which could be the number?

• F 6.155

• G 2.541

• H 0.315

• J 1.263

Pablo jogged the perimeter of the park in 5.32 minutes. Which shows a way to represent the value of the 2 in this number?

• A 0.002

• B (2 × 1/10)

• C (2 × 100)

• D (2 × 1/100)