Page 161 - Maths Class 05

Practice - 10.2
Practice - 10.2
Practice - 10.2
Practice - 10.2
1. Fill in the blanks.

Length Breadth Area

a. 9 cm 6 cm ________________

b. 14 cm 8 cm ________________

c. 54 cm 20 cm ________________

d. 5 m 12 m ________________

e. 18 m 16 m ________________

2. For which of the following would you use area ?

a Find the size of a carpet for a room..

b Find how much water is there in a swimming pool ?.

c Find how far it is around a football field ?.

d Find how much paint it will take to paint a wall ?.

e Find the depth of water in lake..

f . Sowing seeds in a field.

3. Find the area and perimeter of the following rectangles whose dimensions are :

a. length = 17 m breadth = 13 m

b. length = 6.9 m breadth = 5.1 m

c. length = 5 m breadth = 51 m
d. length = 9 m breadth = 7 m

4. Measure the size of the postcard, inland letter, envelope, aerogram and registered letter
envelope and note down your length and breadth, calculate their areas and perimeters.

5. Find the number of bricks to be laid in a square path of side 1 m, if the side of each
square brick is 5 cm.

6. How many blocks of each 25 cm long and 12 cm wide will be required to lay a floor of
125 m long and 4.8 m wide ?

7. Find the area of a square with each side 8 m.

Mathematics-5 161