document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=805107>Question 805107</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A fourth-grade student devised the following algorithm for subtracting 84 - 27.\r<BR>\n" );
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document.write( "4 minus 7 equals negative 3\r<BR>\n" );
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document.write( "                                           84<BR>\n" );
document.write( "                                         - 27<BR>\n" );
document.write( "                                        -------<BR>\n" );
document.write( "                                            -3\r<BR>\n" );
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document.write( "80 minus 20 equals 60.\r<BR>\n" );
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document.write( "                                           84<BR>\n" );
document.write( "                                         - 27<BR>\n" );
document.write( "                                        ------<BR>\n" );
document.write( "                                            -3<BR>\n" );
document.write( "                                            60\r<BR>\n" );
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document.write( "60 plus negative 3 equals 57\r<BR>\n" );
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document.write( "                                           84<BR>\n" );
document.write( "                                          -27<BR>\n" );
document.write( "                                       -------<BR>\n" );
document.write( "                                           -3<BR>\n" );
document.write( "                                        +60<BR>\n" );
document.write( "                                       -------<BR>\n" );
document.write( "                                          57\r<BR>\n" );
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document.write( "Thus the answer is 57. How would you respond as a teacher? Will this technique always work?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #485071 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=485071\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> yes it will always work for 2 digits numbers </SPAN>\n" );
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