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Stretch, Stretch, Stretch,
Expand it! (L002)
Definition Review
Place
Do Now
Digit
Value
iSpot it!
Take 3 minutes to identify the place, digit, or value.
1. 4
Directions
2. 400
3. Tens place
Expanded Form- is when you take a number, break it down by the value of each digit, and write it as an addition statement. You’re stretching out the number.
Expanded Form
7,634
Can you say the number?
Standard or numeral form
What form is this number written in?
Example #1
How can we rewrite this number in expanded form?
Let's draw a place value chart to help us.
7,000 + 600 + 30 + 4
Place Value Chart
Now that we know the value of each digit, it is time to write an addition number sentence.
29,048
Can you say the number?
What form is this number written in?
Standard or numeral form
Example #2
How can we rewrite this number in expanded form?
Let's make a place value chart to help us.
Place Value Chart
20,000 + 9,000 + 40 + 8
Now that we know the value of each digit, it is time to write an addition number sentence.
Guided Practice
Try these examples!
85,901
1,492
72,543
Checkpoint!
What does expanded form mean?
Your turn!
You will have 15 minutes to practice writing numbers in expanded, standard, or unit form. Then, move on to your story problem.
Let’s see who is going to crush these forms. You got it!
Independent Practice
Over the course of the day we learned a lot! We learned how to write a number in expanded form. Now you get to show what you know on your exit ticket!