1.MD.A.2

Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

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Category Videos
Not Right For WatchKnowLearn
Ages: 9 - 18
3539 Views:
How to Use a Ruler
From YouTube
A ruler can be used to draw straight lines and to take measurements of lines. In this video you will take measurements in inches or centimeters by using a ruler with help from a tutor.
Found by grazianione in 1.MD.A.2
January 27, 2010 at 02:36 PM
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Not Right For WatchKnowLearn
Ages: 3 - 7
3077 Views:
Gumball Subtraction - Sesame Street
From YouTube, produced by Sesame Street
A fun little sesame street video showing basic subtraction practice using a gumball machine.
Found by ronna_37 in 1.MD.A.2
July 10, 2009 at 10:55 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 8 - 11
7224 Views:
Measuring Length and Width of an Object with Metric Ruler
From teachertube.com, produced by Tsmithscience
In this teacher-created video, a student demonstrates measuring the length and width of an object using a metric ruler. ( 1:24)
Found by Kondwani in 1.MD.A.2
November 28, 2010 at 11:35 PM
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