Compose and Decompose Numbers More Than One Way

Record the number of tens and ones that were used to compose the number 32

____Tens

____Ones

Take a look at the screen and what you have in front of you. What changed? How many tens and ones are shown now to represent the number 32? 

___ tens

___ ones

After decomposing the number 120, how many hundreds do you have now? 

How many tens? 

How many ones? 

Record your answers below. 

How did you decompose the number 1,338. Start by building it with

1-one thousand

3 hundreds

3 tens

8 ones

Now choose one place to decompose. Write you answer below. 

____thousands

____ hundreds

____ tens

____ ones

 

When you are done, take out your Math Journal (Interactive notebook) and write about what you learned. Be sure to include specific steps on how to decompose numbers. We will share this with your parents during conference day.