Expanded Notation Worksheet - Grade 9
Practice worksheet for Grade 9 students focusing on expanded notation of whole numbers and decimals.
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Expanded Notation Practice
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Date:
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Read each question carefully and write your answers in the space provided. Show your work where necessary.
Write the following numbers in expanded notation.
1. 3,456 =
2. 78,002 =
3. 1,200,500 =
Write the following decimals in expanded notation.
1. 0.725 =
2. 12.09 =
3. 5.103 =
Write the standard form of the following expanded notations.
1. (4 × 100) + (5 × 10) + (9 × 1) =
2. (8 × 1000) + (0 × 100) + (3 × 10) + (7 × 1) =
3. (6 × 1/10) + (2 × 1/100) =
4. (3 × 10) + (1 × 1) + (5 × 1/100) + (4 × 1/1000) =
Choose the correct expanded notation for the given number.
1. Which of the following is the expanded notation for 9,876?
(9 x 100) + (8 x 10) + (7 x 1) + (6 x 1/10)
(9 x 1000) + (8 x 100) + (7 x 10) + (6 x 1)
(9 x 10) + (8 x 1) + (7 x 1/10) + (6 x 1/100)
(9 x 1000) + (8 x 10) + (7 x 1) + (6 x 1/10)
2. What is the standard form of (5 × 10^3) + (2 × 10^1) + (7 × 10^-2)?
52.7
5020.07
520.7
5020.7
Indicate whether each statement is true or false.
1. The expanded notation of 405 is (4 × 100) + (5 × 1).
True
False
2. In expanded notation, the value of a digit depends on its place in the number.
True
False
Explain in your own words what expanded notation means and why it is useful.