Basic Addition
Introduction to addition. Multiple visual ways to represent addition.
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<!--Sun Jan 29 2012 12:47:01 GMT-0500 (EST)-->
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Khan Academy
------------
Title: Basic Addition
Description: Introduction to addition. Multiple visual ways to represent addition.
Url: http://www.khanacademy.org/video/basic-addition?playlist=Arithmetic
InternalName: basic-addition
YoutubeId: AuX7nPBqDts
Keywords: Math, Addition, Khan, Academy, CC_1_OA_1, CC_1_OA_2, CC_1_OA_3, CC_1_OA_6
My Notes
--------
Sal uses 3 ways of representing objects in arithmetic problems:
1. as circles or avocados (things that can be counted)
2. as points on a number line
3. as symbols (1 2 3 15 + =)
Simple problems:
1 + 1 = ?
3 + 4 = ?
5 + 6 = ? 6 + 5 = ?
Hay un vídeo en español aquí:
http://www.youtube.com/watch?feature=player_profilepage&v=hJMqULKhf7c
ve también: http://www.youtube.com/user/KhanAcademyEspanol
</Notes>
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print "6 + 5 = " + str(6 + 5)
]]></script>
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print("1 + 1 = " + (1 + 1) + "\n");
//javascript:(function(a,b){alert(a + " + " + b + " = " + (a+b));})(5,6)
]]></script>
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