Primary School (English Medium) इयत्ता ४ - CBSE Question Bank Solutions for Mathematics

First guess the answer and then calculate:

2 × 175 = ?

First guess the answer and then calculate:

4 × 206 = ?

Kiran paid Rs. 919 to the junk collectors. When she sold the junk she got these notes and coins from Dinu.

Now you make a record in her diary.

Find out how much she earned this time.

The donkey asked- 500 milliliters of kheer? Isn’t that more than a liter?

The donkey looked confused and asked - Ten glasses of 100 mL each. How much is that?

The cat said — Oh no, to 1000 ants!

After thinking the elephant said — No problem, I can manage. Each ant drinks 1 milliliter of kheer.
So, 1000 ants drink: 1000 × 1 mL = ______ mL.

Do you like kheer? What do you call it at home?

Can you drink 1 L of water at one time?

How much kheer can you have?

The donkey is trying to look for different ways to add up to 1 liter. Help him complete the chart.

Look at these pictures. Now look for some other things we get in packets or bottles like these. Make your own list.

Have you seen a one-liter water bottle?

Collect a 1-liter bottle and some other small bottles. Guess how many times you have to pour from each of the small bottles to fill the liter bottle.

Check if your guess is correct and fill the table.

Look what Adithyan is saying.

How much water does his small bottle hold?

Then how much water does Leela's bottle hold?

Ramu got an empty 250 mL coconut oil bottle. Look at the picture and discuss what he did to make his big measuring bottle.

Find your own way to make a bottle which can measure 200 mL, 400 mL, 600 mL, 800 mL and 1 litre. Discuss with your friends and teacher how you made this.

Look at the buckets, mugs, glasses and other things in your house. Guess how much water each can hold. Check if your guess is right by using your measuring bottle.

Neetu has to take 3 injections a day for 5 days. One injection gives 5 mL of the medicine to your body.

1. How much medicine will she need for one day?
2. How much medicine in all for 5 days?

How much do we use at a time?

List things we use more than one litre at a time.

• Water for taking bath.
• __________________
• __________________
• __________________