Fun with Symmetry Class 4 Worksheet with Answers Maths Chapter 11 - #NCSOLVE 📚

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Class 4 Maths Chapter 11 Fun with Symmetry Worksheet with Answers Pdf

Fun with Symmetry Class 4 Maths Worksheet

Class 4 Maths Chapter 11 Worksheet with Answers – Class 4 Fun with Symmetry Worksheet

Symmetry

A shape or an object has symmetry if it can be divided into two identical pieces, it means that one side of an object looks just like the other side when one split in half. If an object does not have symmetry, we say that the object is asymmetrical.

Line of Symmetry

The line of symmetry is a line that divides an object into two identical pieces.

The line of symmetry can be vertical, horizontal or diagonal. There may be one or more lines of symmetry.

Lines of Symmetry

Question 1.
Tick the figures that have a correct line of symmetry drawn.

Question 2.
Find and draw all lines of symmetry for the following figures. Write the number of lines of symmetry that you found in the blank underneath that shape.

Punching Holes

Fold the paper sheet as shown in the given figure below, and punch the holes to get:

Question 1.
How many folds did you make before punching three holes in the sheet?
_________________________________________________

Question 2.
When you open only one fold of the sheet, how many holes will you see?
_________________________________________________

Question 3.
When you open the full sheet, will the total number of holes be 12?
_________________________________________________
On unfolding the sheet, the following pattern will appear.

Question 4.
Take a square sheet and fold the sheet diagonally only once, and punch four holes in it.
How many holes will you see when you unfold the paper?
_________________________________________________

Draw the other half of each symmetrical shape.

Mirror Image

Question 1.
Circle the correct mirror image of the objects shown.

Question 2.
Write the correct mirror digit of the following numbers:

Question 3.
Identify and write the correct words of the following:

Question 4.
Which of the following alphabets has a line of symmetry?
M, F, I, E, T, S, X, C, V
_________________________________________________

Fun with Symmetry Class 4 Worksheet

Ink Design
Mansi and Priya are having fun with ink and colours.
They take a piece of paper and fold it in half in any direction, either horizontally or vertically. Spill a few drops of ink on the half side of the paper. Then, fold the paper along its crease, which has been made by folding the paper earlier and press the halves together. Now, unfold the paper.

Question 1.
Look at the image and answer the following:
(a) Do they get two identical parts of the image thus formed?
_________________________________
Answer:
Yes

(b) Do you know what this creased line is called? _________________
Answer:
Yes

(c) The line that divides an object into its identical halves is called the _________________
Answer:
Line of Symmetry

Question 2.
Draw the line of symmetry on the following objects to divide them into two identical halves.

Answer:

Question 3.
Complete the following designs on the square dot paper to make both parts symmetrical.

Answer:

Holes and Cuts

Activity
Experiential Learning

• Take a sheet of paper and fold it in half twice.
• Cut out the shape with a pair of scissors. Experiment with different folds and cuts.
• Now, unfold the shape so obtained.
• The figure so obtained will look identical if folded along any of the dotted lines.
• The design so formed by cutting is symmetrical because when folded on any of the dotted line, both the halves overlap each other.
• The square design shown below has 2 lines of symmetry.

Question 4.
Neha takes a square piece of paper and folds it diagonally. She punches a hole at the corner and a hole in the middle of the paper. Where would the hole appear when. she opens the paper? Imagine the situation and draw it.

Symmetry in Shapes

Question 5.
Draw a line of symmetry in the following geometrical shapes.

Answer:

Number of Lines of Symmetry
Some figures or objects have more than one line of symmetry. These lines of symmetry can be vertical, horizontal or diagonal.

Question 6.
Draw the line(s) of symmetry in the following figures. How many line(s) of symmetry these figures have?

Answer:
(a) One
(b) Four
(c) Five
(d) Six
(e) Two
(f) Six
(g) Two
(h) Three

Think and Answer
Write any five letters of the English alphabet that have no line of symmetry.
Answer:
F, G, J, P and Q (Answer may vary)

Question 7.
Complete these to make symmetrical shapes.

Answer:

Games with a Mirror

Question 8.
Tick (✓) the following figures that are reflections of each other.

Answer:
8. (c), (d), (e) and (f)

Question 9.
Where should the mirror be placed in different orientations on the given shape alongside to get the following shapes?

Answer:

Question 10.
Find the mirror image of the following numbers. Also, circle the numbers whose mirror image is the same number.

Answer:

Question 11.
Make some 4-digit numbers such that the mirror image is the same number. Where would you keep the mirror in each case? How many such numbers can you make?
Answer:

There can be many such numbers.

Question 12.
Identify these words. Where will you place mirror to read the following words correctly?

Answer:

Tiling the Tiles
Tessellation is the tiling pattern resulting from the repeating arrangement of a particular shape to cover a plane without leaving any gaps or overlapping. Observe the following tessellations.

Question 13.
Identify the repeating unit (tile) and continue the tiling patterns. Also, colour these tessellations.

Answer:

Question 14.
Create your own tiles using one or more shapes in the space given below.

(a) Are the created tiles symmetrical? If yes, then draw the lines of symmetry.
(b) Make floor patterns with your tiles in the space given below. Remember, there should be no overlaps and no gaps.

The post Fun with Symmetry Class 4 Worksheet with Answers Maths Chapter 11 appeared first on Learn CBSE.

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