NCERT solutions for Math - Magic [English] Class 5 chapter 1 - The Fish Tale [Latest edition]

Do you know any poem about fish?

When you think of fishes what shapes come to your mind?

Try to use a square and a triangle to draw a fish.

'Meen' means a fish and 'Meenakshi' is a girl whose eyes look like a fish. Can you think of someone who has such eyes? Draw a face with 'fish eyes'?

How long is the biggest fish you can imagine?

How many times longer is your big fish than the smallest fish?

About how many kilograms do you weigh?

So 12 children like you put together will weigh about ______ kg.

About how much more does the whale shark weigh than 12 children like you put together?

To see the difference between whales and fish look carefully at their tails. Can you see that the fishtail stands flat along its body, but the tail of the whale almost looks like two legs? Can you spot the fish in the picture?

Fish like to swim together in the sea in big groups called "schools" fish. In their school, they feel safe from the bigger fish. Do you feel safe in your school?

Jincy used these shapes to make drawings of fish. 

Now you also use some shapes to draw the different sea animals shown below.

Sea urchin

Lobster

Eel

Red snapper

Octopus

Clam

Parrotfish

Prawn

Cuttlefish

Jellyfish

Squid

Silver pomfret

Crab

Which of these sea animals have you seen before?

Sea urchin

Lobster

Eel

Red snapper

Octopus

Clam

Parrotfish

Prawn

Cuttlefish

Jellyfish

Squid

Silver pomfret

Crab

How many of you have seen the sea? Where did you see it? Did you see it in a movie or for real? How deep do you think the sea could be? Find out

Do you know how to swim? Would you be scared of the high sea waves?

Close your eyes and imagine the sea with waves rising high.

How high do you think the waves can go?

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.

Look at the sun and find out the direction from where it rises.

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?

Write a news report about the dangers faced by the fish in our rivers and seas.

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?

What other things have you heard of in lakhs?

Write the number one thousand. Now write one hundred thousand. So how many zeroes are there in the number one lakh? Easy, isn’t it?

There are about two lakh boats in our country. Half of them are without a motor. What is the number of boats with a motor? Write it.

About one fourth of the boats with a motor are big machine boats. How many thousand machine boats are there? Come on, try to do it without writing down.

Where have you heard of a crore? What was the number used for?

Try writing the number one crore. Don't get lost in all the zeroes!

Have you been to a fish market? If you have then you might know why a very noisy place is sometimes called a fish market!

At what price per kg did Fazila sell the Kingfish?

Floramma has sold 10 kg prawns today. How much money did she get for that?

Gracy sold 6 kg swordfish. Mini has earned as much money as Gracy. How many kg of sardines did Mini sell?

Basheer has Rs 100. He spends one-fourth of the money on squid and another three-fourthon prawns. 

How many kilograms of squid did he buy?

Basheer has Rs 100. He spends one-fourth of the money on squid and another three-fourth on prawns.

How many kilograms of prawns did he buy?

The meeting of the Meenkar Bank has just begun. Fazila is the president. Twenty fisherwomen have made their own bank. Each saves Rs 25 every month and puts it in the bank.

How much money does the group collect each month?

The meeting of the Meenkar Bank has just begun. Fazila is the president. Twenty fisherwomen have made their own bank. Each saves Rs 25 every month and puts it in the bank.

How much money will be collected in ten years?

Gracy took a loan of Rs 4000 to buy a net. She paid back Rs 345 every month for one year. How much money did she pay back to the Bank?

Jhansi and her sister took a loan of Rs 21,000 to buy a log boat. They paid back a total of Rs 23,520 in one year. How much did they pay back every month?

The women of Meenkar Bank also want to start a factory to dry fish. The Panchayat has given them some land for that. Over the years they have saved Rs 74,000. They find out how much they will need for the factory.
Fazila writes the things they need to buy to begin. See the table for the cost of each item and the number of items they want to buy. Find the total cost.

Total cost to set up the factory = ______

When fresh fish is dried it becomes `1/3` its weight.

In one month they plan to dry 6000 kg of fresh fish.

How much-dried fish will they get in a month?

Floramma - Let us first calculate for 6 kg of fresh fish.

• We dried 6 kg fresh fish to get _____ kg dried fish.
• For 6 kg fresh fish we have to pay 6 × ______ = Rs 90.
• We will sell 2 kg dried fish and get 2 × ______ = Rs ______
• So if we dry 6 kg fresh fish we will earn ______ – 90 = Rs ______
• But if we dry 6000 kg we can earn Rs ______ × 1000 in one month!

Jhansi - I found that for 6000 kg fish we would need 1500 kg salt every month! Its price is Rs 2 per kg.

Monthly costs:

a) Salt 1500 x 2 = Rs ______

b) Packing and bus charges = Rs 3000

So the total monthly cost of drying and selling the fish = Rs ______

Fazila - That sounds very good! Our calculations tell us that every month our Bank will earn Rs 44,000!

Check to see if you also get the same answer.

Songs sung by fishermen are beautiful. Find out about the words and tunes of such songs.