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Writing a Number in Expanded Form, Arithmetic Properties, Pre-Algebra

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This Writing a Number in Expanded Form, Arithmetic Properties, Pre-Algebra instructional video also includes:

Writing a Number in Expanded Form (HTML version from khanacademy.org)
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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 equivalent to 7x1, the 9 in the tens place is equivalent to 9x10, the 8 in the hundreds place 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.

145 Views 185 Downloads CCSS: Adaptable

Concepts

number sense, numbers, place value

Additional Tags

developmental math, number sense, place value, writing numbers in expanded form, math

Classroom Considerations

This video is hosted on YouTube

Common Core

View 32,986 other resources for 3rd - 5th Grade Math