4.2B Place Value

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 the value of the digit 7 in the number 7,000?

Back

The value of the digit 7 in the number 7,000 is 7,000 because it is in the thousands place.

Front

How do you express the number 32.15 in expanded notation?

Back

32.15 can be expressed as (3 x 10) + (2 x 1) + (1 x 0.1) + (5 x 0.01).

Front

What is the value of the digit 2 in the number 234,567,890?

Back

The value of the digit 2 in the number 234,567,890 is 200,000,000 because it is in the hundreds of millions place.

Front

What does the digit 5 represent in the number 5,280?

Back

In the number 5,280, the digit 5 represents 5,000 because it is in the thousands place.

Front

What is expanded notation?

Back

Expanded notation is a way to write numbers that shows the value of each digit. For example, 245 can be written as (2 x 100) + (4 x 10) + (5 x 1).

Front

What is the value of the digit 4 in the number 24,007.7?

Back

The value of the digit 4 in the number 24,007.7 is 4,000 because it is in the thousands place.

Front

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

Back

To find the value of a digit in a number, identify its position and multiply the digit by the value of that position. For example, in 3,456, the digit 4 is in the hundreds place, so its value is 4 x 100 = 400.

Front

What is the value of the digit 8 in the number 8,520.34?

Back

The value of the digit 8 in the number 8,520.34 is 8,000 because it is in the thousands place.

Front

What is the value of the digit 1 in the number 1,234.56?

Back

The value of the digit 1 in the number 1,234.56 is 1,000 because it is in the thousands place.