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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Ages: 11  18
4098 Views:

In this twominute 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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Ages: 9  13
1707 Views:

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.../5. (4:58)
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November 14, 2012 at 12:18 AM


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Ages: 18  18
9959 Views:

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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Ages: 9  13
3943 Views:

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...t also reviews dividing whole numbers and fractions, as well as decimal notation and comparing decimals. The problems relate to many Common Core Standards.
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November 13, 2012 at 12:12 AM


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Ages: 8  12
3047 Views:

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...s, measurement and decimals to find a way to repair the track. Run time 03:12.
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August 31, 2010 at 10:13 PM


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Ages: 8  13
1268 Views:

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...:19)
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November 14, 2012 at 12:26 AM
