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Length Units- Metric System
BasicFacts #2 - Solutions


Name:____________________


1 centimeter (cm) = 10 milimeters (mm)

1 decimeter (dm) = 10 cm

1 meter (m) = 10 dm

1 m = 100 cm = 1000 mm.

1 kilometer (km) = 1000 m

1 cm = 1/100 m

1 mm = 1/10 cm

1 m = 1/1000 km

 

  Complete the following:
Solutions
1) 1 m 2 dm = 120 cm 1 m = 100 cm; 2 dm = 2 x 10 cm = 20 cm; 100 cm + 20 cm = 120 cm
2) 2 km 45 m = 2045 m 2 km= 2 x 1000 m = 2000 m; 2000 m + 45 m = 2045 m
3) 2 cm 6 mm = 26 mm 2 cm= 2 x 10 mm = 20 mm; 20 mm + 6 mm = 26 mm;
4) 400 cm = 4 m 400 cm = 400 x (1/100) m = 4 m
5) 40 cm =  4 dm 40 cm = 40 x (1/10) dm = 4 dm
6) 2 m 1 dm = 210 cm 2 m = 2 x 100 cm = 200 cm;  1 dm = 10 cm; 200 cm + 10 cm= 210 cm;
7) 4 m 6 cm = 4060 mm 4 m = 4 x 1000 mm = 4000 mm; 6 cm = 6 x 10 mm = 60 mm; 4000 mm + 60 mm = 4060 mm
8) 60 mm = 6 cm 60 mm = 60 x (1/10) cm = 6 cm
9) 1 km 330 m = 1330 m 1 km = 1000 m; 1000 + 330 m =1330 m.
10) 3000 m = 3 km 3000 m = 3000 x (1/1000) km = 3 km
11) 3 km 50 m = 3050 yd 3 km = 3 x 1000 m = 3000 m; 3000 m + 50 m = 3050 m
12) 180 mm = 18 cm 180 mm = 180 x (1/10) cm = 18 cm

 


Write < (less than) , > (larger than) or = (equal) in the empty squares
1)
6 m > 460 cm
6 m= 6 x 100 cm = 600 cm    
2)
2 m < 23 dm

2 m = 2 x 10 dm = 20 dm

   
3) 45 cm > 2 dm 3 cm   2 dm = 2 x 10 cm = 20 cm; 20 cm + 3 cm = 23 cm    
4) 96 mm > 4 cm   4 cm = 4 x 10 cm = 40 mm    


 

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