Writing a Number in Expanded Form

Understanding place value is a basic mathematics skill. This Khan Academy video shows students how to write the number 14,897 in the expanded form. He explains that the 7 in the ones place is the same as 7x1, the 9 in the tens place is the same as 9x10, the 8 in the hundreds place literally represents 8x100 or 800, and so on. He adds up all the numbers 10,000+4,000+800+90+7 which is the expanded form.

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CCSS: Adaptable
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3rd - 5th
2 more...
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1 more...
Instructional Strategy
Flipped Classroom
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Creative Commons
BY-NC-SA: 3.0