12-10

Front

What is expanded notation?

Back

Expanded notation is a way of writing numbers that shows the value of each digit. For example, 345 can be written as (3 x 100) + (4 x 10) + (5 x 1).

Front

How do you write 12.35 in expanded notation?

Back

12.35 can be written as (1 x 10) + (2 x 1) + (3 x 0.1) + (5 x 0.01).

Front

What is standard form?

Back

Standard form is the way of writing numbers using digits. For example, the number one thousand is written as 1000.

Front

Convert 1,598 to expanded notation.

Back

1,598 can be written as (1 x 1,000) + (5 x 100) + (9 x 10) + (8 x 1).

Front

How do you convert expanded notation to standard form?

Back

To convert expanded notation to standard form, add the values of each term together. For example, (2 x 100) + (3 x 10) + (4 x 1) = 234.

Front

What is the value of the digit 6 in the number 63,204.58?

Back

In the number 63,204.58, the digit 6 is in the ten-thousands place, so its value is 60,000.

Front

What does the digit 5 represent in the number 63,204.58?

Back

In the number 63,204.58, the digit 5 is in the tenths place, so its value is 0.5.

Front

How do you write 159,800 in expanded notation?

Back

159,800 can be written as (1 x 100,000) + (5 x 10,000) + (9 x 1,000) + (8 x 100).

Front

What is the purpose of using expanded notation?

Back

The purpose of using expanded notation is to understand the value of each digit in a number and to help with addition and subtraction.

Front

How do you identify the place value of a digit in a number?

Back

To identify the place value of a digit, look at its position in the number. For example, in 4,567, the 5 is in the hundreds place.