Numbers in Expanded Form

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Exploration

GR. 4-5

Skill:

Relate standard and expanded notation to 3- and 4-digit numbers.

Numbers in Expanded Form

Build numbers in expanded form and observe how to convert them into standard form.

Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Open-ended question 1

How does the expanded form relate to the number of bars in a given place value?

Text and math input

Open-ended question 2

Why does expanded form use multiplication and addition the way it does?

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