Secondary School (English Medium) (5 to 8) इयत्ता ५ - CBSE Question Bank Solutions for Mathematics

Arbaz plans to tile his kitchen floor with green square tiles. Each side of the tile is 10 cm. His kitchen is 220 cm in length and 180 cm wide. How many tiles will he need?

The fencing of a square garden is 20 m in length. How long is one side of the garden?

How many tiles like the triangle given here will fit in the white design?

Area of design = ________ square cm

Now cut strips of equal sizes out of it. Using tape join the strips, end to end, to make a belt.

How long is your belt? _________

Is the area of your belt the same as the area of the postcard? Why or why not?

Can you think of how to cut a postcard so that you can pass through it?

You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!

• How many of you can sit in one square meter?

You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!

• How many of you can stand in it?

You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!

• Which team could make more children stand in their square? How many?

You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!

• Which team could make more children sit in their square? How many?

Measure the length of the floor of your classroom in meters. Also, measure the width.

• What is the area of the floor of your classroom in square metres?

Measure the length of the floor of your classroom in meters. Also, measure the width.

• So how many children can sit in one square meter?

Nasreena is a farmer who wants to divide her land equally among her three children — Chumki, Jhumri, and Imran. She wants to divide the land so that each piece of land has one tree. Her land looks like this.

• Can you divide the land equally? Show how you will divide it. Remember each person has to get a tree. Colour each person’s piece of land differently.

If each square on this page is equal to 1 square meter of land, how much land will each of her children get? ________ square m

Chumki, Jhumri, and Imran need wire to make a fence.

• How much wire in all will the three need?

Look at the table. If you were to write the area of each of these which column would you choose? Make a (✓).

There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.

• How many cm is the length of the boundary of lake A in the drawing?(use thread to find out)

The King was very happy with carpenters Cheggu and Anar. They had made a very big and beautiful bed for him. So as gifts the king wanted to give some land to Cheggu, and some gold to Anar. Cheggu was happy. He took 100 meters of wire and tried to make different rectangles.

He made a 10 m × 40 m rectangle. Its area was 400 square meters. So he next made a 30 m × 20 m rectangle.

• What is its area? Is it more than the first rectangle?

The King was very happy with carpenters Cheggu and Anar. They had made a very big and beautiful bed for him. So as gifts the king wanted to give some land to Cheggu, and some gold to Anar. Cheggu was happy. He took 100 meters of wire and tried to make different rectangles.

He made a 10 m × 40 m rectangle. Its area was 400 square meters. So he next made a 30 m × 20 m rectangle.

• What other rectangles can he make with 100 meters of wire? Discuss which of these rectangles will have the biggest area.

Cheggu’s wife asked him to make a circle with the wire. She knew it had an area of 800 square meters.

• Why did Cheggu not choose a rectangle? Explain.