Expanded Notation with Decimals for 4th Graders

This video tutorial covers the concept of expanded notation, starting with a review of whole numbers and then extending the concept to decimal numbers. The instructor explains how to break down numbers into their place values and multiply each digit by its respective place value. Examples include both whole numbers and decimals, such as 789 and 21.56, to illustrate the process. The video concludes with a recap and encourages students to revisit the material if needed.

What is the expanded notation of the number 789?

• 700 + 8 + 90

• 7 + 80 + 900

• 700 + 80 + 9

• 70 + 800 + 9

In the number 789, what is the value of the digit in the hundreds place?

• 7

• 70

• 7000

• 700

How do you represent the digit 3 in the number 1.35 in expanded notation?

• 3 x 10

• 3 x 1

• 3 x 0.1

• 3 x 0.01

What is the value of the digit 5 in the number 1.35 in expanded notation?

• 5 x 1

• 5 x 0.1

• 5 x 0.01

• 5 x 10

In the number 1.35, what is the value of the digit in the ones place?

• 10

• 0.01

• 0.1

• 1

What is the expanded notation of the number 21.56?

• 20 + 1 + 0.5 + 0.006

• 20 + 1 + 0.5 + 0.06

• 20 + 1 + 0.5 + 0.6

• 20 + 1 + 0.05 + 0.6

In the number 21.56, what is the value of the digit in the tens place?

• 200

• 2

• 0.2

• 20

How do you represent the digit 6 in the number 21.56 in expanded notation?

• 6 x 1

• 6 x 0.1

• 6 x 0.01

• 6 x 10

What is the value of the digit 5 in the number 21.56 in expanded notation?

• 5 x 1

• 5 x 0.1

• 5 x 0.01

• 5 x 10

What should you do if you need more help understanding expanded notation with decimals?

• Watch the video again

• Ask the teacher a question

• None of the above

• Both of the above