4.NBT.2. Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.

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Not Right For WatchKnowLearn
Ages: 7 - 11
Order Whole Numbers with StudyJams
From scholastic.com, produced by Scholastic
Whether you are putting scores in order to figure out who won the game or dates in order for a histor project, being able to order whole numbers is important.  These step-by-step strategies from StudyJams will make it a cinch!  A short, self-checking... [more]
Found by begamatt in 4.NBT.A.2
June 4, 2011 at 08:57 PM
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Not Right For WatchKnowLearn
Ages: 8 - 14
Diffy - Virtual Manipulative
From usu.edu, produced by Utah State University
When Diffy opens, there are four black numbers placed at the corners of a black square. Your first goal is to fill in the four blanks in the blue circles in the middle of each side of the black square. Start with any side of the black square and cli... [more]
May 9, 2010 at 11:11 AM
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Not Right For WatchKnowLearn
Ages: 8 - 12
Adding Three and Four-Digit Numbers With Regrouping
From nextvista.org, produced by nextvista.org
A teacher shows students how to add three and four digit numbers with regrouping by using an example of planning the cost of a party.  The teacher stresses writing the numbers vertically aligning the digits according to place value.  The video also s... [more]
September 21, 2011 at 08:43 PM
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Not Right For WatchKnowLearn
Ages: 10 - 15
Color Chips
From usu.edu, produced by Utah State University
This virtual manipulative uses plus-minus chips to demonstrate adding positive and negative values. Using this virtual manipulative you may: Solve a problem using chips or try a new problem.
May 9, 2010 at 10:57 AM
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Not Right For WatchKnowLearn
Ages: 6 - 9
More About Place Value With Tens and Ones
From eduplace.com, produced by Houghton Mifflin
Students will learn how to find the value of a digit by determining its place value.  User clicks through the two slides.
Found by tinag1974 in 4.NBT.A.2
May 20, 2010 at 02:23 PM
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Not Right For WatchKnowLearn
Ages: 8 - 12
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: 8 - 13
Digits and Place Value (Part 1)
From YouTube, produced by Lawrence Perez
This video indicates it is for pre-algebra, 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... [more]
Found by Barb in 4.NBT.A.2
July 31, 2009 at 07:47 AM
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Not Right For WatchKnowLearn
Ages: 8 - 14
Virtual Manipulative - Add and Subtract Decimals With Base 10 Blocks
From usu.edu, produced by Utah State University
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... [more]
May 9, 2010 at 10:16 AM
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Not Right For WatchKnowLearn
Ages: 5 - 10
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 base-s... [more]
May 9, 2010 at 10:40 AM
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Not Right For WatchKnowLearn
Ages: 11 - 14
Whole Numbers: Place Value and Expanded Form
From YouTube, produced by James Sousa
This video introduces whole numbers, place value, expanded form, and writing whole numbers through the billions place.  Numerous examples are shown and explained on an interactive board. (A comment not intended for the video is made in the last secon... [more]
August 20, 2011 at 03:19 PM
Comments: 1
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