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

Madhav went to a wedding along with his parents. He met many relatives there. But he didn’t know everyone. He met his mother s grandfather but found that her grandmother is not alive. He also found that her mother (grandmother s mother) is still alive, and is more than a hundred years old.
Madhav got confused. He couldn’t imagine his mother’s grandmother’s mother! So, Madhav’s mother made a family tree for him —

Madhav’s mother helped him understand her family with the help of this drawing. You can also find out about your older generations using such a family tree

Answer these question:

• How many grandparents in all does Shobna have?

Madhav went to a wedding along with his parents. He met many relatives there. But he didn’t know everyone. He met his mother s grandfather but found that her grandmother is not alive. He also found that her mother (grandmother s mother) is still alive, and is more than a hundred years old.
Madhav got confused. He couldn’t imagine his mother’s grandmother’s mother! So, Madhav’s mother made a family tree for him —

Madhav’s mother helped him understand her family with the help of this drawing. You can also find out about your older generations using such a family tree

Answer these question:

• How many great, great grand parents in all does Madhav have?

Madhav went to a wedding along with his parents. He met many relatives there. But he didn’t know everyone. He met his mother s grandfather but found that her grandmother is not alive. He also found that her mother (grandmother s mother) is still alive, and is more than a hundred years old.
Madhav got confused. He couldn’t imagine his mother’s grandmother’s mother! So, Madhav’s mother made a family tree for him —

Madhav’s mother helped him understand her family with the help of this drawing. You can also find out about your older generations using such a family tree

Answer these question:

• How many elders will be in the VII generation of his family?

Madhav went to a wedding along with his parents. He met many relatives there. But he didn’t know everyone. He met his mother s grandfather but found that her grandmother is not alive. He also found that her mother (grandmother s mother) is still alive, and is more than a hundred years old.
Madhav got confused. He couldn’t imagine his mother’s grandmother’s mother! So, Madhav’s mother made a family tree for him —

Madhav’s mother helped him understand her family with the help of this drawing. You can also find out about your older generations using such a family tree

Answer these question:

• If he takes his family tree forward in which generation will he find 128 elders?

In the picture mark angles between the two branches. Which two branches have the biggest angle?

Put 10 Math-Magic books on top of each other. Keep one book slanting to make a slide.

Now do this with six books.

• Roll a ball from the top. From which slide does the ball roll down faster?
• Which slide has the smaller angle?

These log boats do not go very far. If the wind is helpful, then travel about 4 km in one hour.

How long will they take to go a distance of 10 km?

These log boats do not go very far. If the wind is helpful, then travel about 4 km in one hour.

Guess how far you can go in one hour if you walk fast.

From where you are, what interesting things do you see to your east?

Name two things that are lying to your west.

Look at the different types of boats.

Some boats have motors and go further into the sea. since they go far out they can catch more fish. These boats travel faster, at a speed of about 20 km in one hour.

How far would the motorboats go in three and a half hours?

Look at the different types of boats.

Some boats have motors and go further into the sea. since they go far out they can catch more fish. These boats travel faster, at a speed of about 20 km in one hour.

How much time will they take to go 85 km?

In one trip the logboat brings about 20 kg of fish. But other types of boats bring a bigger catch as given in the table. The table also shows the speed of each type of boat, which is how far each boat goes in one hour. Look at the table and calculate -

• About how much fish in all will each type of boat bring in seven trips?

In one trip the logboat brings about 20 kg of fish. But other types of boats bring a bigger catch as given in the table. The table also shows the speed of each type of boat, which is how far each boat goes in one hour. Look at the table and calculate -

• About how far can a motorboat go in six hours?

In one trip the logboat brings about 20 kg of fish. But other types of boats bring a bigger catch as given in the table. The table also shows the speed of each type of boat, which is how far each boat goes in one hour. Look at the table and calculate -

• If a long tail boat has to travel 60 km how long will it take?

Make 8 triangles using 6 matchsticks. Try!

Make big squares and rectangles like this to find the area faster.

What is the area of this triangle?

The triangle is half the rectangle of an area of 2 square cm. So its area is ______ square cm.

The triangle is half the rectangle of an area of 2 square cm. So its area is ____________ square cm.