K.OA.A.3

Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

There are 9 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 8 - 11
8016 Views:
Properties of Addition - by StudyJams
From scholastic.com, produced by Scholastic
Addition properties are rules that you can follow when adding numbers.  The commutative property, assiciative property, and identity, or zero, property are the rules.  They can make adding as simple as singing a song.  Learn more about the properties... [more]
Found by begamatt in K.OA.A.3
June 18, 2011 at 10:36 PM
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Not Right For WatchKnowLearn
Ages: 5 - 11
12541 Views:
Using Fact Families in Addition and Subtraction
From eduplace.com, produced by Houghton Mifflin
Addition and subtraction facts that use the same numbers are related. 6+5 =11 and 11 - 5 = 6 are related facts.  Use related facts to solve problems. User clicks through the slides.
Found by tinag1974 in K.OA.A.3
May 14, 2010 at 02:04 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
9250 Views:
Relate Addition and Subtraction - by StudyJams
From scholastic.com, produced by Scholastic
Inverse operations are pairs of mathematical operations, like addition and subtraction, that can undo eachother.  You can learn how to do it by using fact families. This cartoon animation from StudyJams also includes a short, self-checking quiz.
Found by begamatt in K.OA.A.3
June 18, 2011 at 10:26 PM
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Not Right For WatchKnowLearn
Ages: 4 - 7
10824 Views:
Addition Strategy - Using Doubles and Doubles Plus 1 Facts to Add
From eduplace.com, produced by Houghton Mifflin
This addition strategy shows students how to use the double fact (e.g., 3 + 3 ) or a doubles plus one strategy to add quickly.  User clicks through the slides.
Found by tinag1974 in K.OA.A.3
May 14, 2010 at 01:24 PM
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Not Right For WatchKnowLearn
Ages: 3 - 6
2745 Views:
The Number Five
From Slideboom
A presentation showing the number five.  Many things that come in fives (such as fingers and quintets) are presented.  A slideshow, no sound; simple text, large font size.
Found by LarrySanger in K.OA.A.3
September 29, 2010 at 03:04 PM
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Not Right For WatchKnowLearn
Ages: 7 - 11
2595 Views:
Basic Addition
From YouTube, produced by www.mathwithlarry.com
Lesson on basic addition with Larry.  This is two part lesson.  Larry shows the basic idea behind addition with an example problem on a white board using a number line and another problem not using a number line.  Larry shows some tricks in solving a... [more]
Found by grazianione in K.OA.A.3
May 4, 2010 at 07:08 PM
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Not Right For WatchKnowLearn
Ages: 5 - 10
4245 Views:
Basic Subtraction - Khan Academy
From YouTube, produced by Salman Khan
Begins with a review of addition (in simple terms) with visual support. Number line is also used to demonstrate principles. (08:32)
April 3, 2009 at 01:34 AM
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Not Right For WatchKnowLearn
Ages: 3 - 7
2596 Views:
Plus Seven Math Fact Practice
From YouTube, produced by RealKid2020
This animated video uses an addition table to practice the plus 7 math facts. In the second part, the number 7 sings "Magic 7" and shows the number sentences that are made when 7 is added to numerals through 10.  The last two minutes of the video sho... [more]
July 11, 2009 at 10:48 AM
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Not Right For WatchKnowLearn
Ages: 4 - 7
1694 Views:
Children's Addition
From YouTube, produced by xoax.net
This children's educational video teaches kids basic addition skills. The concept is presented simply with numbers and picture representations of numbers 0 though 10. (04:06)
Found by grazianione in K.OA.A.3
March 13, 2010 at 09:26 AM
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