Expanded Notation Practice

Front

What is expanded notation?

Back

Expanded notation is a way of writing numbers that shows the value of each digit. For example, 1,253 can be written as (1 x 1,000) + (2 x 100) + (5 x 10) + (3 x 1).

Front

How do you convert expanded notation to standard form?

Back

To convert expanded notation to standard form, you add the values of each part together. For example, (1 x 10,000) + (8 x 100) + (5 x 10) + (3 x 1) equals 10,853.

Front

What is the value of the digit 3 in the number 3,456?

Back

The value of the digit 3 in the number 3,456 is (3 x 1,000).

Front

What does the digit 5 represent in the number 45.67?

Back

In the number 45.67, the digit 5 represents (5 x 10).

Front

How can the number 39.02 be expressed in expanded notation?

Back

39.02 can be expressed as (3 x 10) + (9 x 1) + (2 x 0.01).

Front

What is the value of the digit 8 in the number 302,424.81?

Back

The value of the digit 8 in the number 302,424.81 is (8 x 0.1).

Front

What is the standard form of (1 x 1,000) + (5 x 100) + (9 x 1) + (7 x 0.1) + (4 x 0.01)?

Back

The standard form is 1,509.74.

Front

What is the value of the digit 9 in the number 1,234.56?

Back

The value of the digit 9 in the number 1,234.56 is (9 x 0.1).

Front

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

Back

To identify the value of a digit in a decimal number, multiply the digit by its place value. For example, in 0.7, the value of 7 is (7 x 0.1).

Front

What is the expanded notation for the number 2,305?

Back

The expanded notation for 2,305 is (2 x 2,000) + (3 x 100) + (0 x 10) + (5 x 1).