Math Vocabulary Place Value

value of a number based on its location

• equivalent

• period

• unit fraction

• place value

writing a number as the sum of the place values

• expanded form

• written form

• compare

• unit fraction

The value of a digit based on its position within a number.

• Whole Number

• Place Value

• Greater Than

• Less Than

One of 100 equal parts of a whole; one whole is composed of 100 hundredths..

• Decimals

• Tenth

• Hundredth

• Thousandth

A dot separating the ones and tenths place in a decimal number, read as “and”.

• Decimals

• Tenth

• Hundredth

• Decimal Point

One of ten equal parts of a whole; one whole is composed of 10 tenths.

• Decimals

• Tenth

• Hundredth

• Thousandth

One of 1,000 equal parts of a whole; one whole is composed of 1,000 thousandths.

• Decimals

• Tenth

• Hundredth

• Thousandth

The first place value after a decimal point. Example: .3 = 3/10.

• Tenths

• Hundredths

• Thousandths

• Decimal Point

The second place value after a decimal point. Example: .38 = 38/100.

• Place Value

• Hundredths

• Tenths

• Thousandths

The third place value after the decimal point. Example: .276 = 276/1000

• Tenths

• Hundredths

• Thousandths

• Decimal Point