document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206939>Question 206939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what does 1+1 mean on a number line? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156454 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=156454\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> your number line has a center at 0.<BR>\n" );
document.write( "going to the left you are subtracting numbers so your scale starts at 0 then goes to -1 then to -2 then to -3, etc.<BR>\n" );
document.write( "going to the right you are adding numbers so your scale starts at 0 then goes to 1 then to 2 then to 3, etc.<BR>\n" );
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document.write( "1 + 1 means you are at number 1 on the number line and then you go to the right one unit to end up at 2.<BR>\n" );
document.write( "1 - 1 meanhs you are at number 1 on the number line and then you go to the left one unit to end up at 0.<BR>\n" );
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document.write( "it's a way to visualize adding and subtracting.<BR>\n" );
document.write( "adding a positive number is to the right.<BR>\n" );
document.write( "subtracting a positive number is to the left.<BR>\n" );
document.write( "adding a negative number is to the left (same as subtracting a positive number).<BR>\n" );
document.write( "subtracting a negative number is to the right (same as adding a positive number).<BR>\n" );
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document.write( "go to the following website and click on problem number 206939 to see what I mean.<BR>\n" );
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document.write( "http://theo.x10hosting.com/<BR>\n" );
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document.write( "if problem number 206939 is not there, wait one half hour and try again.<BR>\n" );
document.write( "it will be there.<BR>\n" );
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