Practice the questions of **McGraw Hill Math Grade 8 Answer Key PDF Lesson 16.1 Metric Units of Length **to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 8 Answer Key Lesson 16.1 Metric Units of Length

**Exercises**

**CONVERT**

Question 1.

210 m = ______________ km

Answer:

0.21 km,

Explanation:

1km = 1000m, 210m = 210 ÷ 1000 = 0.21 km.

Question 2.

145 mm = _____________ cm

Answer:

14.5 cm,

Explanation:

1cm = 10 mm, 145 mm = 145 ÷ 10 = 14.5 cm.

Question 3.

573 m = _______________ cm

Answer:

57,300 cm,

Explanation:

1m = 100 cm, 573m = 100 x 573 = 57300 cm.

Question 4.

26 m = _______________ mm

Answer:

26,000 mm,

Explanation:

1m = 1000 mm, 26m = 1000 x 26 = 26000 mm.

Question 5.

400 cm = _____________ km

Answer:

0.004 km,

Explanation:

1km = 100,000 cm, 400 cm = 400 ÷ 100000 = 0.004 km.

Question 6.

400 m = ______________ cm

Answer:

40,000 cm,

Explanation:

1m = 100 cm, 400m = 100 x 400 = 40,000 cm.

Question 7.

1.6 m = _____________ mm

Answer:

1600 mm,

Explanation:

1m = 1000 mm, 1.6 m = 1000 x 1.6 = 1600 mm.

Question 8.

2.5 km = ______________ m

Answer:

2,500 m,

Explanation:

1 km = 1000m, 2.5 km = 1000 x 2.5 = 2500 m.

Question 9.

116 mm = _____________ m

Answer:

0.116 m,

Explanation:

1 m = 1000 mm, 116 mm = 116 ÷ 1000 = 0.116 m.

Question 10.

1.557 km = ______________ mm

Answer:

1,557,000 mm,

Explanation:

1 kilometer = 1,000,000 mm, 1.557 km = 1,000,000 x 1.557 = 1,557,000.

Question 11.

4355 mm = ______________ cm

Answer:

435.5 cm,

Explanation:

1 mm = 0.1 cm, 4,355 mm = 4355 x 0.1 = 435.5 cm.

Question 12.

.4667 km = _______________ cm

Answer:

46,670 cm,

Explanation:

1 km = 100,000 cm, 0.46670 km = 100,000 x 0.4667 = 46,670 cm.

Question 13.

3.0556 m = ______________ mm

Answer:

3055.6 mm,

Explanation:

1 meter = 1000 mm, 3.0556 m = 1,000 x 3.0556 = 3055.6 mm.

Question 14.

Terry covered the outside edge of his cousin’s monster truck tires with a border of fluorescent yellow paint. If each tire measured 6.25 meters around the outside edge, then how many centimeters of edging did he paint on one tire?

Answer:

625 cm,

Explanation:

Each tire is of 6.25 m, 1 m = 100 cm,

Total cm of paint on one tire = 6.25 x 100 = 625 cm.

Question 15.

The distance from Mike’s house to the school is .775 kilometers. How many meters is that?

Answer:

775 m,

Explanation:

The distance from Mike’s house to the school is .775 kilometers,

1 km = 1,000 m, 0.775 km = 1,000 x 0.775 = 775 km.