OnesTensHundreds

OnesTensHundreds

OnesTensHundredsExpanded Form100 + 10 + 2

Standard Form 112

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Count the hundreds, tens, and ones. Then write the number in expanded form and standard form.

Do You Understand?Show Me! How can you write 120 in expanded form? How can you show 120 with a picture?

Expanded Form: + +

Standard Form:

1.

hundred + tens + ones1 0 5

You can use blocks to show 112.

100 10 2

You can use standard form when you just want to write the number.

You can use expanded form to show how the hundreds, tens, and ones add up to make the number.

1 hundred is 100. 1 ten is 10. 2 ones is 2.

You can show numbers in many ways. Let’s use some of the ways to show 112.

Topic 9 Lesson 4482 four hundred eighty-two

OnesTensHundreds

OnesTensHundreds

OnesTensHundreds

OnesTensHundreds

Name

Count the hundreds, tens, and ones. Then write the number in expanded form and standard form.

2.

+ +

+ +

+ +

+ +

3.

4. 5.

Topic 9 Lesson 4 four hundred eighty-three 483

OnesTensHundreds

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6. The expanded form of a number is 100 + 10 + 6.

Draw blocks to show the number. Write the standard form of the number.

7. There are 113 dogs at the dog show. Which answer shows the number of dogs in expanded form?

Solve each problem below.

8. Extend Your Thinking Choose a number from 101 to 110.

Write the number.

Then draw the number as hundreds, tens, and ones.

Then write the number in expanded form.

+ +

My number is .

○○ 100 + 10 + 3

○○ 100 + 10 + 1

○○ 100 + 0 + 3

○○ 100 + 3 + 1

Topic 9 Lesson 4484 four hundred eighty-four