1.) The number line can be shown in  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical and  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical directions.
2.) 0 is  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical positive  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical negative and hence has no sign.
3.) Natural numbers are also called as  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical.
4.) Whole numbers are also called as  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical.
5.) -15  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical 15.
6.) -10  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical -23.
7.) On the number line,-1 is to the  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical of 0.
8.) On the number line,  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical is 4 units to the right of -7.
9.) -44 is the opposite of  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical.
10.) The opposite of 3 is  <>-344horizontalleftneithernon-negative integersnorpostive integersvertical.