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.