Unit 1, Lesson 2-- Building 3 Digit Numbers

Lesson 2-- Building 3 Digit Numbers

Introduction

Hello Mathematicians!  Think back to the pile of popsicle sticks.  Here, the sticks have been organized into groups of hundreds, tens, and ones.  There are 7 bundles of 100, 3 bundles of 10, and 8 single sticks.  How many sticks is that in all?

Well, 7 hundreds, 3 tens, and 8 ones is 738 sticks!  How close was your estimate?

How else can we group 738 sticks?  Draw your ideas in your math notebook.  

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Video

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Interactive

Part 1 Directions:

• Use the interactive to build the number 274 in three different ways, using groups of ones, tens, and hundreds. 
• Draw your groupings in your math notebook.

Part 2 Directions:

• Think back to your collection.  Can you organize your collection in three new ways?
• Draw a representation of your new groupings in your math notebook.

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