Place value

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Numbers are made up of digits. A digit's spot in a number is its

place.

The place of a digit tells its

value.

Here's an example. The number 643 is made up of 6

hundreds,

tens,

and 3

ones.

You can show 643 with place value blocks:

You can also show 643 in a place value chart:

The digit 6 in the hundreds place has a value of

600.

The digit 4 in the tens place has a value of

40.

The digit 3 in the ones place has a value of

Try some practice problems!

Value of a digit - up to hundreds

Place value up to the millions place

You can use place value charts with larger numbers, too! Try it for 2,527,931.

You can use this chart to tell the place and value of all of the digits in this number. For example, the 5 in the hundred-thousands place has a value of 500,000.

Try some practice problems!

Place value names

Number periods

When you write bigger numbers, you put a comma between each group of three digits. Those groups of three digits are called

periods.

The table below shows the number 403,196,825 with the name of each period.

Skills

Place value models - up to thousands Value of a digit - up to thousands Place value names up to ten thousands Value of a digit up to ten thousands Convert to/from a number

Videos(5)

Place value models - up to thousands

Value of a digit - up to thousands

Place value names up to ten thousands

Value of a digit up to ten thousands

Convert to/from a number

Lessons

Writing numbers in expanded form

Writing numbers in word form

Try some practice problems!

Place value up to the millions place

Try some practice problems!

Number periods

Related

Skills

Videos(5)

Lessons