4 cm 5 mm = 4 × 10 mm + 5 mm
[As 1 m = 10 mm]
= 40 mm 5 mm
= 45 mm
(b) 89 mm = ____ cm ____ mm
Solution:
89 mm = 80 mm + 9 mm
= 8 cm 9 mm
(c) 234 cm = ____ mm
Solution:
234 cm = 234 × 10 mm
= 2340 mm
(d) 514 mm = ____ cm ____ mm
Solution:
514 mm = 510 mm + 4 mm
= 51 cm 4 mm
(e) 6 m 34 cm = ____ cm
Solution:
6 m 34 cm = 6 × 100 cm + 34 cm
[As, 1 m = 100 cm] = 600 cm + 34 cm
= 634 cm
(f) 20 m 12 cm = ____ cm
Solution:
20 m 12 cm = 20 × 100 cm + 12 cm
= 2,000 cm + 12 cm
= 2,012 cm
(g) 397 m = ______ cm
Solution:
397 m = 397 × 100 cm
= 39,700 cm
(h) 5,792 cm = ______m ______ cm
Solution:
5792 cm = 5700 cm + 92 cm
= 57 m 92 cm
(i) 9,108 cm = ______ m ______ cm
Solution:
9108 cm = 9100 cm + 8 cm
= 91 m 8 cm
(j) 34 km = _______ m
Solution:
34 km = 34 × 1000 m
= 34000 m
(k) 6,870 m = ____ km ____ m
Solution:
6,870 m = 6000 m + 870 m
= 6 km 870 m
(l) 10,552 m = ____ km ___ m
Solution:
10,552 m = 10000 m + 552 m
= 10 km 552 m
(m) 29 km 30 m = ____ m
Solution:
29 km 30 m = 29 × 1000 m + 30 m
= 29000 m + 30 m
= 29030 m
(n) 32 km 359 m = ____ m
Solution:
32 km 359 m = 32 × 1000 m + 359 m
= 32000 m + 359 m
= 32359 m
NCERT Textbook Page 66
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