The DAV Class 4 Maths Book Solutions and **DAV Class 4 Maths Chapter 5 Worksheet 4 **Solutions of Length offer comprehensive answers to textbook questions.

## DAV Class 4 Maths Ch 5 WS 4 Solutions

Question 1.

Solve the following word problems.

(a) Neetu bought 3 m 75 cm of cloth for shirt and 2 m 20 cm of cloth for trouser. What is total length of cloth she bought?

Answer:

Neetu bought cloth for shirt = 3m 75cm

Neetu bought cloth for trouser = 2m 20cm

Total length = 5m 95km

Thus, total length of cloth is 5 m 95 cm.

(b) Amit travelled 15 km 550 m by train, 12 km 400 m by bus and 1 km 250 m by scooter. How much distance did he travel in all?

Answer:

Amit travelled by train = 15km 550m

Amit travelled by bus = 12km 400 m

Amit travelled by scooter = 1km 250m

Total distance = 29km 200m

Thus, Amit travelled 29 km 200 m in all.

(c) Mrs. Renu has a ribbon 16 m 75 cm long. She cuts it into two pieces. One piece is 8 m 90 cm. Find the length of the other piece.

Answer:

Total length of ribbon = 16m 75cm

Length of one piece of ribbon = 8m 90cm

Length of other piece of ribbon = 7m 85cm

Thus, the length of other piece is 7 m 85 cm.

(d) The heights of Ram and Shyam are 1 m 75 cm and 1 m 28 cm respectively. Who is taller and by how much?

Answer:

Height of Ram = 1 m 75

Height of Shyam = 1 m 28 cm.

1 m 75 cm > 1 m 28 cm m cm

∴ Height of Ram = 1 m 75 cm

Height of Shyam = 1m 28 cm

Comparison = 0 m 47 cm

Thus, Ram is 47 cm taller than Shyam.

(e) An ant climbed 9 m 50 cm on a wall. Then it came down 4 m 75 cm along. The same wall. How far is the ant from the starting point?

Answer:

Ant climbed a distance on wall = 9m 50 cm

Ant came down = – 4m 75cm

Distance from starting point = 4m 75cm

Thus, the ant is 4 m 75 cm away from the starting point.

### DAV Class 4 Maths Chapter 5 Value Based Questions

Question 1.

How much distance will Amit’s father travel now for dropping all the children to school?

Answer:

Distance travel in dropping Amit = More Distance travel in dropping three children

Thus, 4 m 75 cm away from the starting point.

Question 2.

What are the advantages of car pooling?

Answer:

Car pooling saves fuel and also environment from getting polluted.

**Word Problems**

E.g.1.

Mala needs a garland of 12 m 67 cm for decoration of door and 7 m 15 cm for window. What is the total length of garland needed by Mala.

Answer:

We have to add the length of garland required to decorate door and window to get total length of garland.

Length of garland for door = 12m 67 cm

Length of garland for window = 7 m 15 cm

Total length = 19m 82cm

E.g.2.

Meeta bought 75 m 60 cm cloth roll. If 58 m 70 cm of the cloth is used for making curtain for doors and windows, how much cloth is left on the roll?

Answer:

We have to subtract the length of cloth used for making curtains from the cloth roll.

Total length of cloth = 75m 60 cm

Cloth used in curtains = – 58m 70 cm

Cloth left = 16m 90cm

Additional Questions

Question 1.

Convert each of the following into metres:

(a) 208 km

Answer:

208 km

= 208 x 1000m

= 208000 m

(b) 1 km 25 m

Answer:

1 km 25 m

= 1 × 1000m + 25m

= 1025 m

(c) 4 km 65

Answer:

4 km 65m

= 4 × 1000m 65m

= 4065 m

(d) 5 km 30 m

Answer:

5km 30m

= 5 × 1000m + 30 m

= 5030 m

(e) 10 km 165 m

Answer:

10 km 165 m

= 10 × 1000 m + 165 m

= 10165 m

Question 2.

(a) Convert 600 cm into m and cm.

Answer:

(600 + 100) meters (1cm = \(\frac{1}{100}\)m)

= 6 metres.

(b) Convert 748 cm into m and cm.

Answer:

(748 100) meters (1cm = \(\frac{1}{100}\)m)

= 7 m 48 cm.

(c) Convert 546 cm into m and cm.

Answer:

(546 100) meters (1cm = \(\frac{1}{100}\)m)

= 5 m 46 cm.

Question 3.

Convert the following kilometres into metres:

(i) 740 km

Answer:

740 × 1000 metres (1 km = 1000 m)

= 740000 metres.

(ii) 71 km

Answer:

71 × 1000 metres (1km = 1000 m)

= 71000 metres

(iii) 405 km

Answer:

405 × 1000 metres (1km = 1000 m)

= 405000 metres

Question 4.

Add the following:

(i) 17 m 50 cm and 15 m 20 cm.

Answer:

32 m 70 cm

(ii) 72 km 350 m and 43 km 790 m.

Answer:

116 km 140 m

(iii) 26 m 20 cm and 36 m 50 cm.

Answer:

62 m 70 cm

(iv) 35 km 150 m and 43 km 620 m.

Answer:

78 km 770 m

Question 5.

Subtract:

(a) 10 m 57 cm and 4 m 96 cm.

Answer:

5m 61cm

(b) 7 m 80 cm and 3 m 95 cm.

Answer:

3m 85cm

(c) 6 km 300 m and 2 km 120 m.

Answer:

4km 180m

(d) 47 km 690 m and 34 km 695 m.

Answer:

12km 995m

Question 6.

Meenu bought 19 m 65 cm cloth for school uniform. 15 m 70 cm cloth get used in making uniform. Find the length of cloth left? m cm

Answer:

Total length of cloth = 19 m 65 cm

Length of cloth used = 15 m 70 cm

Length of cloth left = 3 m 95 cm

Thus, 3 m 95 cm cloth left with her.