# CONVERTING METRIC UNITS OF LENGTH

The following information will be helpful for converting from unit to the other.

10 mm = 1 cm

100 cm = 1 m

1000 m = 1 km

Problem 1 :

100 cm = ? m

Solution :

100 cm = 1 m

Problem 2 :

1000 m = ? km.

Solution :

1000 m = 1 km

Problem 3 :

500 cm = ? m.

Solution :

100 cm = 1 m

Then,

500 cm = 5 m

Problem 4 :

7000 m = ? km

Solution :

1000 m = 1 km

Then,

7000 m = 7 km

Problem 5 :

1000 cm = ? m

Solution :

100 cm = 1 m

Multiplying by 10 on both sides.

1000 cm = 10 m

Problem 6 :

10000 m = ? km

Solution :

1000 m = 1 km

Multiplying by 10 on both sides, we get

10000 m = 10 km

Problem 7 :

100000 m = ? km

Solution :

1000 m = 1 km

Multiplying by 100 on both sides.

100000 m = 100 km

Problem 8 :

20 km = ? m

Solution :

1 km = 1000 m

Multiplying by 20 on both sides, we get

20 km = 20000 m

Problem 9 :

40 km = ? m

Solution :

1 km = 1000 m

Multiplying by 40 on both sides, we get

40 km = 40000 m

Problem 10 :

65 km = ? m

Solution :

1 km = 1000 m

Multiplying by 65 on both sides, we get

65 km = 65000 m

Problem 11 :

4 cm 9 mm = ? mm

Solution :

1 cm = 10 mm

Multiplying by 4 on both sides

4 cm = 40 mm

4 cm 9 mm = 40 mm + 9 mm

= 49 mm

Problem 12 :

85 mm = ? cm ? mm

Solution :

10 mm = 1 cm

80 mm = 8 cm

85 mm =  80 mm + 5 mm

85 mm = 8 cm 5 mm

Problem 13 :

9 cm 8 mm = ? mm

Solution :

1 cm = 10 mm

9 cm = 90 mm

9 cm 8 mm = 90 mm + 8 mm

= 98 mm

Problem 14 :

73 mm = ? cm ? mm

Solution :

73 mm =  70 mm + 3 mm

10 mm = 1 cm

Multiplying by 7 on both sides.

70 mm = 7 cm

73 mm = 7 cm 3 mm

Problem 15 :

9 cm 14 mm = ? mm

Solution :

1 cm = 10 mm

9 cm = 90 mm

9 cm 14 mm = 90 mm + 14 mm

= 104 mm

Problem 16 :

92 mm = ? cm ? mm

Solution :

92 mm =  90 mm + 2 mm

10 mm = 1 cm

Then,

90 mm = 9 cm

90 mm = 9 cm 2 mm

Problem 17 :

15 cm 12 mm = ? mm

Solution :

Converting the given measures into mm, we get

10 mm = 1 cm

15 cm = 150 mm

15 cm 12 mm = 150 mm + 12 mm

= 162 mm

Problem 18 :

187 mm = ? cm ? mm

Solution :

187 mm =  180 mm + 7 mm

180 mm = 18 cm

187 mm = 18 cm 7 mm

Problem 19 :

25 cm 80 mm = ? mm

Solution :

25 cm = 250 mm

25 cm 80 mm = 250 mm + 80 mm

= 330 mm

Problem 20 :

233 mm = ? cm ? mm

Solution :

233 mm =  230 mm + 3 mm

230 mm = 23 cm

230 mm = 23 cm 3 mm

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