2.NBT.A.4

Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.

There are 23 videos in this category and 128 videos in 7 subcategories.

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Not Right For WatchKnowLearn
Ages: 6 - 12
4565 Views:
Place value
From linkslearning.org, produced by linkslearning
Place value helps us determine the value of numbers and understand the relationships between digits and numbers and the number system.  The video looks at place value with whole numbers and decimal numbers and place value activities for students to d... [more]
May 26, 2010 at 01:10 PM
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Not Right For WatchKnowLearn
Ages: 6 - 10
6482 Views:
Comparing Numbers to 50 Using Greater Than and Less Than
From eduplace.com, produced by Houghton Mifflin
Using two numbers, students will compare the numbers to determine if it is less than or great than.  Remember, the greater than/less than symbol points to the smaller number. User clicks through the slides.
Found by tinag1974 in 2.NBT.A.4
May 20, 2010 at 02:10 PM
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Not Right For WatchKnowLearn
Ages: 3 - 6
5337 Views:
More, Fewer, Same
From eduplace.com, produced by Houghton Mifflin
Learn how to use the words more, fewer and same to describe two sets of pictures.  Students will also learn how to match an object from one group to the other group to determine which group has more, fewer or are the same number.  User clicks through... [more]
Found by tinag1974 in 2.NBT.A.4
May 14, 2010 at 12:30 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
4532 Views:
Addition 3 (Introducing Carrying) - Khan Academy
From YouTube, produced by Salman Khan
In this video, the instructor uses the Paint Program to review how to add numbers. He starts with single-digit numbers, moves into two-digit and four-digit numbers, and reviews place value. (08:57)
January 27, 2010 at 02:32 AM
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Not Right For WatchKnowLearn
Ages: 7 - 11
3994 Views:
Rounding Whole Numbers, Part 3 of 3 - Khan Academy
From YouTube, produced by Salman Khan
Mr. Khan uses a number line to show how to round to the nearest TEN using a four-digit number.   Sal Khan was the recipient of the 2009 Microsoft Tech Award in Education. (01:28)
July 30, 2010 at 03:37 PM
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Not Right For WatchKnowLearn
Ages: 6 - 10
4757 Views:
Using Addition to Check a Subtraction Problem with 3 Digits
From eduplace.com, produced by Houghton Mifflin
Students will learn to use addition (the opposite of subtraction) to check the difference.  If the sum of the addition problem equals the number you subtracted from, then the answer is correct.  User clicks through the slides. Uses metacognitive stra... [more]
Found by tinag1974 in 2.NBT.A.4
May 20, 2010 at 03:31 PM
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Not Right For WatchKnowLearn
Ages: 8 - 12
8054 Views:
Comparing and Ordering Whole Numbers
From YouTube, produced by freetutor
This video describes and explains some easy steps for comparing and ordering whole numbers. This is a middle school math skill that should be mastered by the sixth grade. (04:42)
March 16, 2010 at 09:11 PM
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Not Right For WatchKnowLearn
Ages: 6 - 11
5723 Views:
How to Use the Greater Than and Less Than Math Symbols
From YouTube, produced by Ron Cox
This video shows how to use the greater than and less than math symbols between two numbers. The video also shows how to verbally say the comparison using words and shows how to use symbols. (07:50)
Found by Barb in 2.NBT.A.4
November 16, 2009 at 09:56 PM
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Not Right For WatchKnowLearn
Ages: 4 - 7
4995 Views:
More, Fewer, and Same
From eduplace.com, produced by Houghton Mifflin
Learn how to compare sets of objects in one group to objects in another group to determine which group has more, fewer or the same amount. User clicks through the slides.
Found by tinag1974 in 2.NBT.A.4
May 14, 2010 at 01:11 PM
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Not Right For WatchKnowLearn
Ages: 9 - 12
8923 Views:
Rounding 3-Digit Numbers to the Nearest Ten
From YouTube, produced by www.mathwithlarry.com
Math With Larry presents an interactive white board lesson on rounding.  Larry quickly reviews place value and then shares the rounding rules. Teacher encourages students to highlight or underline the digit the student is rounding to decrease confusi... [more]
January 25, 2010 at 03:16 PM
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