Place Value Practice

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the digit 3 is in the hundreds place, so its value is 300.

Front

What is expanded notation?

Back

Expanded notation is a way to write numbers that shows the value of each digit. For example, 34.78 can be written as (3 x 10) + (4 x 1) + (7 x 1/10) + (8 x 1/100).

Front

How do you identify the hundredths place in a decimal?

Back

The hundredths place is the second digit to the right of the decimal point. For example, in 2.34, the digit 4 is in the hundredths place.

Front

How do you write a number in word form?

Back

To write a number in word form, you express each part of the number in words. For example, 176.003 is written as 'one hundred seventy-six and three thousandths'.

Front

What is standard form in mathematics?

Back

Standard form is the way of writing numbers using digits. For example, the number 'fifty-three and eight tenths' is written in standard form as 53.8.

Front

What does the term 'decimal' mean?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 3.14 is a decimal.

Front

How do you convert expanded notation to standard form?

Back

To convert expanded notation to standard form, you add the values together. For example, (5 x 100) + (1 x 10) + (9 x 1) + (5 x 1/10) = 519.5.

Front

What is the value of the digit 7 in the number 34.78?

Back

In the number 34.78, the digit 7 is in the tenths place, so its value is 7/10 or 0.7.

Front

What is the difference between tenths and hundredths?

Back

Tenths are the first digit to the right of the decimal point, while hundredths are the second digit to the right. For example, in 0.56, 5 is in the tenths place and 6 is in the hundredths place.

Front

How do you find the value of a digit in a decimal?

Back

To find the value of a digit in a decimal, identify its place. For example, in 0.456, the digit 4 is in the tenths place, so its value is 0.4.