Decimal Place Value test Review

Front

What is expanded form?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, 7.305 in expanded form is (7 x 1) + (3 x 1/10) + (0 x 1/100) + (5 x 1/1,000).

Front

How do you order decimals from least to greatest?

Back

To order decimals, compare the digits from left to right. For example, to order 0.38, 0.4, and 0.36, the order is 0.36, 0.38, 0.4.

Front

Which decimal is greater: 0.52, 0.49, or 0.5?

Back

0.52 is the greatest decimal among 0.52, 0.49, and 0.5.

Front

How do you round a decimal to the nearest whole number?

Back

To round a decimal to the nearest whole number, look at the digit in the tenths place. If it's 5 or more, round up. If it's less than 5, round down. For example, 6.437 rounds to 6.

Front

What is standard form?

Back

Standard form is a way of writing numbers using digits. For example, (5x10)+(3x1)+(8x1/10) in standard form is 53.8.

Front

What does the digit in the tenths place represent?

Back

The digit in the tenths place represents the number of tenths in a decimal. For example, in 0.4, the 4 is in the tenths place.

Front

What does the digit in the hundredths place represent?

Back

The digit in the hundredths place represents the number of hundredths in a decimal. For example, in 0.36, the 6 is in the hundredths place.

Front

What does the digit in the thousandths place represent?

Back

The digit in the thousandths place represents the number of thousandths in a decimal. For example, in 0.305, the 5 is in the thousandths place.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value. For example, 0.75 is 75/100, which simplifies to 3/4.

Front

What is the value of 3 in the number 7.305?

Back

In the number 7.305, the 3 is in the tenths place, so its value is 3/10 or 0.3.