4.NF.7. Compare two decimals to hundredths by reasoning about their size. Recognize that comparisons are valid only when the two decimals refer to the same whole. Record the results of comparisons with the symbols >, =, or <, and justify the conclusions, e.g., by using a visual model.

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Category Videos
Not Right For WatchKnowLearn
Ages: 11 - 18
Comparing Decimals
From YouTube, produced by Sal Khan
In this two-minute video, Sal Khan compares two numbers with decimals:156.378 and 156.348. Mr. Khan, of Khan Academy, uses computer software for demonstration.
July 18, 2011 at 06:08 PM
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Not Right For WatchKnowLearn
Ages: 9 - 13
Decimals - Tenths and Hundredths
From YouTube, produced by Ten Marks
Learn to read, write, and model decimals to the hundredths place. The instructor visually works out the solutions to two written problems. Sample problems: (a) Write a fraction and a decimal for the shaded part of a picture. (b) Write a decimal for 1... [more]
Found by wendyofoz in 4.NF.C.7
November 14, 2012 at 12:18 AM
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Not Right For WatchKnowLearn
Ages: 18 - 18
How to Make a Decimal Game
From ehow.com, produced by eHow.com
This video explains how to play a game involving decimals and fractions.  The game consists of matching fractions to their equivalent fractions.  (02:10)
November 5, 2012 at 03:49 PM
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Not Right For WatchKnowLearn
Ages: 9 - 13
Review of Division Strategies and Decimals (4th and 5th grade)
From slideserve.com, produced by Monica Hartman
This link is to a slide show containing 36 slides. It reviews division strategies: using multiples of 10, distributive property, equal groups model, and expanded division algorithm. Several word problems are presented in which division is required. I... [more]
Found by wendyofoz in 4.NF.C.7
November 13, 2012 at 12:12 AM
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Not Right For WatchKnowLearn
Ages: 8 - 12
10ths and Decimals
From teachersdomain.org, produced by PBS Kids
In this video segment from Cyberchase, the CyberSquad is trying to get to the Mother’s Day Harvest on the Madre Bonita Express train. However, Hacker has ripped out a piece of the train track, and the Cybersquad must use what they know about fraction... [more]
Found by begamatt in 4.NF.C.7
August 31, 2010 at 10:13 PM
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Not Right For WatchKnowLearn
Ages: 8 - 13
Writing Tenths and Hundredths with Decimals
From YouTube, produced by Stone Bridge Math
This video shows how pictures of tenths and hundreds are connected to both fractions and decimals. The instructor displays visual models, then shades various areas in the models, and she expresses the shaded areas as both a fraction and a decimal. (4... [more]
Found by wendyofoz in 4.NF.C.7
November 14, 2012 at 12:26 AM
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