NCERT solutions for Math - Magic [English] Class 5 chapter 5 - Does it Look the Same? [Latest edition]

Take a sheet of paper

Fold it into half

Open the fold and put a drop of colour on the middle line

Fold it twice and press it to spread the colour

Open it and see a beautiful pattern

• Can you cut this pattern in such a way that you get two similar mirror halves? In how many ways can you do it?

Which shapes are divided into two mirror halves by the dotted line?

Look at the figure in the white box. On which of the dotted lines will you keep the mirror so that you get shape (b)? Also, tell which part of the picture will be hidden when we keep the mirror on the dotted line.

Now make a line on the white box to show where you will keep the Mirror Games mirror to get the picture next to it.

Venky has made a red and white shape. Make a line on the white box where you will keep a mirror to get that shape. Look at how the line is drawn in the first box to get the picture next to it.

Once there was a king. He was upset because thieves kept stealing costly jewels from his locker. Here is what the locker looked like:

The locker could be opened by giving its handle half a turn. Another half turn and the locker would be locked again.

• The king would often leave the locker open thinking it was locked. Can you guess the reason?

One day his clever daughter gave him an idea which he liked very much. Now he never got confused.

• Can you guess what the idea was?

The king had many such lockers with different handles. Check if, on giving them half a turn, he can get confused with these too.

• What will you do to solve the problem for each of these?

Guess which of the shapes below would look the same after half a turn.

Find out which letters in the English alphabet look the same after half a turn.

Which of these English words reads the same on half a turn?

ZOOM, MOW, SWIMS, SIS, NOON

Give half a turn to the numbers from 0 to 9. Find which of them still looks the same.

Think of all 2, 3 and 4 digit numbers which look the same on half a turn.

Example

• 2 digit numbers 11, ______, ______
• 3 digit numbers 101, 111, ______, ______, ______, ______, ______, ______
• 4 digit numbers 1001, 1111, ______, ______, ______, ______, ______

Which among the following pictures will look the same on half a turn?

Have you ever seen a windmill? What is it used for?

Does your windmill look the same on `1/4` of the turn?

Does it look the same on half a turn? Discuss.

Does the fan look the same on the `1/4` turn?

Will this fan also look the same after the `1/4` turn? Draw in the yellow box

Among the following shapes, find out which ones would look the same after turn. Put a (✓).

Put a (X) on the shapes that will not look the same after half a turn.

Try and change the shapes in such a way that the new shape remains the same on giving it half a turn.

Draw what the following shapes would look like on a `1/4` turn and half a turn.

	On `1/4` turn	On half turn
a)
b)
c)
d)

• Which of the above shapes do not look the same on the `1/4` turn?
• Which shapes do not look the same on `1/2` a turn?

Which fan will look the same on a `1/3` turn?

Draw this shape after the `1/3` turn.

Can you see that this shape looks the same on the `1/6` turn?

Look at the following shapes. Draw how they will look on the `1/3` and `1/6` turn.

	`1/3` turn	`1/6` turn

Look at the following shapes:

a) Find out which of these figures look the same in a `1/3` turn. Mark them with (✓).

Look at the following shapes:

b) Which are the ones that will not look the same after the `1/3` turn? Mark them with (X).

Look at the following shapes:

c) Try and change the shapes below in such a way that they look the same on the `1/3` turn.

Draw some shapes which will look the same after the `1/3` turn.

Draw some shapes which will look the same after the `1/6` turn.