Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.

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Category Videos
Not Right For WatchKnowLearn
Ages: 8 - 12
Multiplication Strategies - Skip Counting, Draw a Picture, Draw an Array, Write a Sentence
From eduplace.com, produced by Houghton Mifflin
Students will learn different strategies to determine the product of a multiplication problem.  Skip counting on a number line, drawing a picture, drawing an array and writing a multiplication sentence are different strategies for finding the product... [more]
Found by tinag1974 in 2.OA.C.3
May 20, 2010 at 04:12 PM
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Not Right For WatchKnowLearn
Ages: 7 - 11
Identifying Numbers as Even or Odd
From YouTube
This video explains how to identify numbers of more than one digit as even or odd using the last digit of the number.  A teacher explains the skill, and the numbers and strategy appear on a white screen. (01:45)
July 20, 2011 at 11:11 AM
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Not Right For WatchKnowLearn
Ages: 4 - 10
Virtual Abacus
From usu.edu, produced by nvlm.edu
This virtual manipulative abacus allows children to explore other representations of numbers.  (It uses a Java applet).
May 9, 2010 at 09:54 AM
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Not Right For WatchKnowLearn
Ages: 5 - 8
Dividing by 2 by Peter Weatherall
From YouTube, produced by Peter Weatherall
The jumping bean shows how to divide by the number 2 in this simply-animated video. Demonstration is accompanied by a catchy tune. (01:34)
March 14, 2010 at 04:32 PM
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Not Right For WatchKnowLearn
Ages: 3 - 7
Counting By Two Song
From YouTube, produced by Have Fun Teaching
This animated video will help children learn to count by twos. The lyrics repeat themselves several times. The monkey characters count to 100 while the numbers are displayed on the screen. Some of the lyrics include "We're gonna count by two's. Me an... [more]
Found by porter1526 in 2.OA.C.3
April 16, 2011 at 10:44 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
Even and Odd Numbers
From YouTube, produced by www.mathwithlarry.com
A quick and easy video lesson about even and odd numbers.  Larry uses a white board to show odd numbers and even numbers and explains some examples. (02:40)
Found by grazianione in 2.OA.C.3
May 5, 2010 at 09:12 PM
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