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

Colour half the number of shapes as shown here -

Colour `1/4` of these shapes.

Match the coloured part as shown.

`1/2` of the picture is drawn here. Can you complete the picture by drawing the other half?

This is a quarter of a picture. Can you complete it? How many more quarters will you draw to complete it? 

Using your metre scale, cut a string of one metre.

On this string, mark the length `1/2` metre, `1/4` metre and `3/4`metre. 

Using your string, draw a line of length `1/2` metre on the floor. How many centimetres long is the line?

 So,
`1/2` metre = ______ cm
`1/4` metre = ______ cm
`3/4` metre = ______ cm
Can you see that when we add `1/2` and `1/4` we get `3/4`?

This bottle is full of milk and it holds one litre. The milk is put into 4 other bottles so that each bottle has `1/4` litre of milk.
Shade the bottles to show the level of milk in each.

Remember, 1 litre = 1000 mililitres

Shan poured 1 litre of milk into two bottles so that the first bottle holds `3/4` litre and the other holds `1/4` litre.

1. Shade the level of milk in each bottle.
2. How many millilitres of milk does each bottle hold?

Choose from the weights above to make the two pans equal. In how many ways can you do it?

Draw the weights in the empty pan. Remember, 1kg = 1000 g  

In how many different ways can you balance this weight of `3/4` kg?

1. ______
2. ______
3. ______ 

Kannan shaded some parts as shown. But his friend Mini says that it is wrong. Explain why it is wrong.

There are 60 mangoes. `1/2` of them are ripe. How many mangoes are ripe?

There are 32 children. `1/2` of them are girls. How many children are boys?

There are 20 stars. A quarter of them are red. How many stars are red? How many stars are not red?

Ravi wants a pencil. It costs Rs 2. He gives a one-rupee coin, one half-rupee coin and one quarter-rupee coin. Is it enough?

What are the ways in which the sunflower and marigold are planted?

18 = ______ × ______  So there are ______ rows with ______ plants each.

18 = ______ × ______ So there are ______ rows with ______ plants each.

You too can make your own garden. Draw a garden, showing flower- beds with 48 plants. Each row should have the same number of plants.

Can you think of other ways to make a shelf to keep 30 jars?