Shapes Around Us Class 4 Worksheet with Answers Maths Chapter 1

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Class 4 Maths Chapter 1 Shapes Around Us Worksheet with Answers Pdf

Shapes Around Us Class 4 Maths Worksheet

Class 4 Maths Chapter 1 Worksheet with Answers – Class 4 Shapes Around Us Worksheet

Let us write

Write the names of the following shapes:

Nets of Solids

Let us match

Match each solid shape to its net.

Prism:
A prism is a type of three-dimensional (3D) shape with flat sides. It has two ends that are the same shape and size (and look like a 2D shape).

Pyramid:
A pyramid is also a three-dimensional (3D) shape. It has a polygon base and flat (triangular) sides that join at a common point (called the apex).

Question 1.
Fill in the blanks:

Question 2.
Here are cut pieces of a prism.

Which solid has the above pieces in its net?

Classify each figure as a Prism or a Pyramid.

Faces, Edges, and Corners of 3D Shapes

1. The surface of a solid shape is called its face. The face of a solid may be flat or curved.

2. The edge is where two faces meet.

3. The corner or vertex is where two or more edges meet.

Faces, Edges, and Corners of Some Common Solid Shapes:
(a) Cube: A cube has 6 flat faces. All the faces of a cube have the same shape and size. It has 12 straight edges. It has 8 corners.
Example: Dice

(b) Cuboid: A cuboid has 6 flat faces, 12 edges, and 8 corners. The opposite sides of each face are equal.
Example: Match Box

(c) Cylinder: A cylinder has 3 faces (2 plane or flat and 1 curved). It has 2 edges.
Example: Candle

(d) Cone: A cone has 2 faces, 1 plane surface, and 1 curved surface. It has only 1 edge and 1 corner.
Example: Ice Cream Cone

(e) Sphere: It has no edge and no corner but has only 1 curved face.
Example: Ball

(f) Triangular Prism: The base of a triangular prism is a rectangle. It has five faces (three rectangular and two triangular). It has 9 edges and 6 vertices.
Example: Tent

(g) Triangular Pyramid: A triangular pyramid has 4 corners and 6 edges. 4 triangular faces form it.

(h) Square Pyramid: The base of a square pyramid is a square. It also has 5 faces, 5 corners, and 8 edges.
Example: Building a Roof

Question 1.
Complete the following table:

Question 2.
Tick the correct shape:

Question 3.
What type of surfaces do they have? Write ‘P’ for plane and ‘C’ for curved surface.

Question 4.
Colour the base of the given solids Green, all the edges Blue, and the corners Red.

Cubes

Question 1.
In each of the following arrangements, find the number of cubes.

Question 2.
Identify the nets that can be used to make cubes:

Angle

An angle is formed when two lines meet at a common endpoint.

How many angles do I have?

Question 1.

A triangle has 3 angles.

Question 2.

A square has __________ angles.

Question 3.

A rectangle has __________ angles.

Question 4.

A pentagon has __________ angles.

Question 5.

A hexagon has __________ angles.

Question 6.
Where do we see angles in everyday life? Give five examples.
_________________________________
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Question 7.
Draw two acute angles, two obtuse angles, and two right angles.

Question 8.
Match the following:

Question 9.
In the word MATH, mark the angles and complete the table.

Dice

Dice are cubes. They have 6 faces. Traditionally, one to six dots are marked on each face, and each face has a different number of dots. The sum of numbers on each pair of opposite faces is 7. The face opposite to 2 is 5, and the face opposite to 3 is 4, and the face opposite to 6 is 1.

Question 1.
Which number will be opposite to 5?

(a) 2
(b) 3
(c) 1
(d) 6

Question 2.
The opposite face of face numbered 1 is:

(a) 2
(b) 5
(c) 6
(d) 4

Question 3.
The opposite face of face numbered 4 is:
(a) 3
(b) 2
(c) 1
(d) 5

Question 4.
The opposite face of face numbered 6 is __________

Question 5.
The opposite face of face numbered __________ is 2.

Count the Shapes

Question 1.
How many triangles can you count in this shape? __________

Question 2.
Count the number of triangles in this shape: __________

Question 3.
Count the number of squares: __________

Question 4.
Count the number of rectangles: __________

Matchstick Puzzles

1. Move 3 matchsticks to get 5 squares.

2. Move 2 matchsticks to get 3 triangles.

3. Make the fish swim in the opposite direction by moving only three matchsticks.

4. Remove one matchstick to leave three squares.

5. Remove six matchsticks to leave four triangles.

Circles

A circle is a round-shaped figure that has no or edges.

Examples: A Car tire, a wall clock that tells time, and a lollipop.

Center of a Circle
The center of a circle is the center point in a circle from which all the distances to the points on the circle are equal.

Radius of a Circle
A radius is a line segment with one endpoint at the center of the circle and the other endpoint on the circle.

Diameter of a Circle
A line segment passing through the center of a circle, and having its endpoints on the circle, is called the diameter of the circle.

Circumference
The circumference of a circle is the distance around a circle. It is the same as the perimeter of other shapes.

Chords of Circle
A line segment with its endpoints lying on a circle is called the chord of the circle.
The diameter of a circle is its largest chord.

Question 1.
Fill in the blanks:
(a) The radius is __________ of the diameter.
(b) The longest chord of a circle is called __________
(c) The distance around the circle is called __________
(d) The diameter of a circle always passes through its __________
(e) The __________ divides the circle into two equal parts.
(f) The distance from the centre of the circle to the boundary in any direction is called __________ of the circle.

Question 2.
Tick (✓) the correct option:
(a) A circle always has __________ centre(s).
(i) one
(ii) four
(iii) six
(iv) two

(b) The line segment that joins the centre of the circle and the boundary:
(i) radius
(ii) diameter
(iii) chord
(iv) none of these

(c) A circle is a __________ figure.
(i) open
(ii) closed
(iii) open, curved
(iv) none of these

(d) A circle is formed by __________ line.
(i) straight
(ii) zig-zag
(iii) curved n
(iv) none of these

(e) Choose the option which is a circle:
(i)
(ii)
(iii)
(iv)

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