![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
\
The integers are ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=97488939756f399ca858025196ae05d1.png\")
![\"\"](\"/userfiles/image/Library/number%20line_pa_64_p32.gif\")
Locate the integers “21 and 0” on the number line.
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\
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
The numbers on a number line decrease as you move from left to right.
\Observe that the number 21 is right to the number 0.
\So, 21 is greater than 0 and 0 is less than 21
\The symbol for greater than is “>”
\The symbol for less than is “<”
\The inequalities are ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6d3021fbd05db32c1f9ddd4567d5544c.png\")
and![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2644e538bbf9b1f1a85d0826320915ea.png\")
.
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The inequalities are ![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6d3021fbd05db32c1f9ddd4567d5544c.png\")
and![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2644e538bbf9b1f1a85d0826320915ea.png\")
.