CBSE Class 4  >  Class 4 Notes  >  Mathematics (Maths Mela: New NCERT)  >  Unit Test: Shapes Around Us

Unit Test: Shapes Around Us

Total Marks: 20
Attempt all questions.

  • Question numbers 1 to 4 carry 1 mark each.
  • Question numbers 5 to 9 carry 2 marks each.
  • Question numbers 10 to 11 carry 3 marks each.

Q1. A shape with 6 faces, 12 edges, and 8 corners is called: (1 Mark)
(a)
Cube
(b) 
Triangular Prism
(c) 
Square Pyramid
(d) Sphere

Q2. How many flat faces does a triangular pyramid have? (1 Mark)
(a) 
3
(b) 
4
(c) 
5
(d) 
6

Q3. The length of the diameter of a circle is: (1 Mark)
(a) 
Half the radius
(b)
Equal to the radius
(c) 
Double the radius
(d) 
Three times the radius

Q4. A shape with one curved face, one flat face, and one edge is: (1 Mark)
(a) 
Sphere
(b) 
Cylinder
(c) 
Cone
(d) 
Cube

Q5. A cuboid has 6 faces. How many edges and corners does it have? (2 Mark)

Q6. A shape has 5 faces, 6 corners, and 9 edges, with 2 faces being triangles. Name the shape and calculate F + V - E. (2 Mark)

Q7. A circle is folded in half twice. If the radius is 5 cm, what is the length of the crease formed each time? Explain your answer. (2 Mark)

Q8. A die has the face numbered 1 opposite to the face numbered 6. If the face numbered 2 has common edges with faces numbered 3, 4, 5, and 6, which face has no common edge with the face numbered 2? (2 Mark)

Q9. Write True or False: (2 Mark)
(i) A cone has 2 edges. 
(ii) A sphere has no faces or corners. 
(iii) All corners in a rectangle are right angles. 
(iv) A cuboid and a cube both have 12 edges and 8 vertices.

Q10. Fill in the table for the following shapes:  (3 Mark)
Cuboid, Triangular Pyramid, Rectangular Prism. Include the number of faces (F), corners (V), and edges (E). Calculate F + V - E for each shape. What do you notice about the result?

Unit Test: Shapes Around Us

Q11. A shape has 4 right angles and 4 sides. Name the shape and identify the number and types of angles (acute, right, or obtuse) if one side is pushed to form a new four-sided shape. Explain how the angles in the new shape differ from the original. (3 Mark)

You can access the solutions to this Unit Test here.

The document Unit Test: Shapes Around Us is a part of the Class 4 Course Mathematics for Class 4 (Maths Mela: New NCERT).
All you need of Class 4 at this link: Class 4

FAQs on Unit Test: Shapes Around Us

1. What are the different types of 2D and 3D shapes that Class 4 students need to know?
Ans. Class 4 students learn about basic 2D shapes like squares, rectangles, triangles, and circles, as well as 3D shapes including cubes, cuboids, spheres, cylinders, and cones. Two-dimensional shapes have length and width, while three-dimensional shapes add depth. Understanding these geometric forms helps students recognise shapes in everyday objects around them and forms the foundation for higher-level geometry in CBSE Mathematics.
2. How can I tell the difference between a cube and a cuboid in the Shapes Around Us unit?
Ans. A cube has six equal square faces, while a cuboid has six rectangular faces where opposite faces are identical. Both shapes have 8 vertices and 12 edges, but a cube's all dimensions are the same length. Cuboids appear as boxes or matchstick containers. Students can use flashcards and mind maps available on EduRev to visualise these 3D shapes and distinguish their properties effectively.
3. What edges, vertices, and faces mean and why they matter for understanding 3D shapes?
Ans. Edges are the lines where two faces meet, vertices are the corner points, and faces are the flat surfaces of 3D objects. These three components define the structure of all solid shapes. For example, a sphere has no edges or vertices but one curved face, while a cube has 12 edges, 8 vertices, and 6 faces. Recognising these features helps students classify and compare different geometric solids systematically.
4. How do I identify shapes in real-life objects for the Shapes Around Us chapter in my Class 4 CBSE exam?
Ans. Real-world objects contain both 2D and 3D shapes: a pizza is circular, a book is a cuboid, a ball is a sphere, and a dice is a cube. Students should observe household items, buildings, and toys to identify these geometric forms. Practising with worksheets and visual aids helps develop shape recognition skills. This ability to spot shapes in everyday environments is crucial for unit test success and building spatial awareness.
5. What's the difference between plane shapes and solid shapes, and how are they tested in Class 4 Mathematics?
Ans. Plane shapes (2D) are flat with only length and width-like triangles, squares, and circles. Solid shapes (3D) have length, width, and depth-like pyramids, cylinders, and spheres. Unit tests typically ask students to classify shapes, count their features, or match 3D objects to their 2D representations. EduRev's MCQ tests and detailed notes provide excellent practice for distinguishing between these shape categories effectively.
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