Unit 4, Lesson 11-- Composing and Decomposing 4- Digit Numbers

Lesson 11-- Composing and Decomposing 4- Digit Numbers

Introduction

Hello Mathematicians! Today we will compose and decompose 4- digit numbers.

Take a look at this question.  Jot down your thoughts in your notebook.  Prove your answer using models, numbers, and words.

Which is More? Choice A 3 hundreds, 7 tens, 16 ones OR Choice B 3 hundreds, 8 tens, 6 ones


Video


Interactive

Part 1 Directions:

  • We built 1,463 with 1 thousand, 4 hundreds, 6 tens, and 3 ones, and we build 1,463 with 1 thousand, 0 hundreds, 46 tens, and 3 ones.
  • What other ways can you build 1,463?
  • Use the base ten blocks below to help you.
  • In your journal, draw a model.  Then complete the following for each: ___ thousands, ___ hundreds, ___ tens, ___ ones

Part 2 Directions:

  • Open the interactive drawing link below, and make a copy.
  • With a partner, play 4- Digit Number WAR.  
  • Each player will determine the value of the number represented by thousands, hundreds, tens, and ones.  The player with the highest value in each "battle" wins.
  • Use place value blocks to help you.

4- Digit Number WAR Interactive Drawing Links to an external site.


 

In Your Math Notebook:

Let’s get out our math journals and  work through the following application problem. Make sure you read the problem carefully, draw a picture to match your thinking and write and solve an equation. 

Read, Draw, Write. DONE!

R (Read the problem carefully.)

Jay and Bella visited a candy warehouse.  Candy is sold in crates of 1000, boxes of 100, packages of 10, and single pieces of candy.

Jay purchased 9 crates, 2 boxes, 7 packages, and 4 single pieces of candy.  How many pieces of candy did Jay purchase?

Bella purchased 8 crates, 9 boxes, 9 packages, and 1 single piece of candy. How many pieces of candy did Bella purchase?

Compare the amounts each child purchased.  Use >, =, or <.  Tell how you know which child purchased the most candy.

D (Draw a picture.)

W (Write and solve an equation.)

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Georgia Department of Education, Math