Z. Comparison 
					
					
					
                 
					Use <, >, = to compare.
- 3 inches
 - 63 + 7
 - 3 cm
 - 5 g + 5 g + 10 g + 3 g
 
     3 centimeters
     63 + 17
     5 meters
     10 g + 10 g + 3 g

Use <, >, = to compare.
     3 centimeters
     63 + 17
     5 meters
     10 g + 10 g + 3 g