5.NBT.1. Recognize that in a multidigit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.
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Ages: 9  13
1344 Views:

This narrated animated video begins by reviewing what a product is, that multiplication is repeated addition, and powers of 10 and place value. The core lesson first presents the problem 512 x 46, as the instructor explains how to solve the problem a...s graphics are displayed. Then, another problem is presented and worked through, following the proper steps of multiplying. (4:35)
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October 19, 2012 at 01:04 AM


Not Right For WatchKnowLearn
Ages: 9  14
4385 Views:

What is the value of the 3 in 654.213?
Mr. Khan, the instructor, uses computer software in this fourminute video for his demonstration. Although he uses different colors for emphasis, the screen is a little 'busy' so the viewer may want to open th...e screen to 'full screen' to see all the information more clearly.
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August 18, 2010 at 09:38 PM


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Ages: 9  14
4007 Views:

This short video is from Jimmy Chang, who has a master's degree in math and has been a math teacher at St. Pete College for more than eight years. He explains decimal place value.
July 17, 2009 at 11:08 AM


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Ages: 9  15
10905 Views:

This video talks about how standard forms of measurement have come about and why. It also discusses how the standard and metric systems are different. Historically, it begins with nonstandard measurements. (05:05)
July 10, 2009 at 11:28 AM


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Ages: 8  13
3984 Views:

This video indicates it is for prealgebra, but it is good for all levels, beginning, for those who need extra help, or those who need to review. This video is good and contains humor along with the lesson. Reviews what digits are, then goes into wha...t the different place values are. This also contains what the place values are on the other side of the decimal. Then examples are gone through, they also go through the written number (long word form). Video is good quality and good for all students as review or initial learning of the concept.
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July 31, 2009 at 07:47 AM


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Ages: 9  15
5598 Views:

This is part 1 of 2. This video starts with a review of place value, then proceeds to a decimal into a word statement, then writes the decimal as a fraction. Many examples are done. Then it moves on to whole numbers and decimals, writing them out, an...d showing the fraction equivalent. A few more examples are done. It is good quality and good for all students as a review or initial learning of the topic. (07:00)
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August 2, 2009 at 04:25 PM


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Ages: 8  14
6688 Views:

Add and subtract decimal values using base blocks. The problems difficulty is controlled by the user. Set the number of whole number columns up to 100s. Set the decimal places from 0 to 3 places. Other bases are available. Please take a few secon...ds to wait for this virtual manipulate (that uses a Java applet) to fully load. From Utah State University.
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May 9, 2010 at 10:16 AM


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Ages: 5  10
4019 Views:

Chip Abacus
From usu.edu, produced by Utah State University


With this manipulative, you can represent place value and exchanges in base 2, base 5, or base 10. Set the desired base with the up and down arrow buttons below the workspace. Chips in columns then represent units (1), bases (2, 5, or 10), and bases...quared (4, 25, or 100), as indicated by the numbers at the top of each column.
Note that chips can be dragged within a column but not from one column to another.
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May 9, 2010 at 10:40 AM


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Ages: 7  12
3451 Views:

A number line is a common representation of integers used to teach concepts of positive and negative numbers, zero, placevalue, and arithmetic operations. The Place Value Number Line manipulative is designed to introduce, practice, and test skills i...n representing place value on a number line. There are instructions on the right side of the Java applet.
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May 9, 2010 at 12:58 PM


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Ages: 8  12
3017 Views:

This is an interactive lesson on place value in slide show / video format. The lesson focuses on place value with whole numbers and decimal numbers, and it provides interactive activities and assessment questions for students.
August 4, 2012 at 01:08 AM
