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All questions of Graphs for Grade 2 Exam

Which solid shape has 1 flat face and 1 curved face
  • a)
    Cone
  • b)
    Cuboid
  • c)
    Cylinder
  • d)
    Cube
Correct answer is option 'A'. Can you explain this answer?

Explanation:

A cone is the solid shape that has 1 flat face and 1 curved face. Let's break down the features of a cone to understand why it is the correct answer.

Definition of a Cone:
A cone is a three-dimensional geometric shape that tapers smoothly from a flat, usually circular base to a point called the apex or vertex. The base of a cone is a flat face, while the curved surface connects the base to the apex.

Features of a Cone:
1. Flat Face: The base of a cone is a flat face. The base is usually circular but can also be in the shape of other polygons, such as triangles or ellipses.
2. Curved Face: The curved surface of a cone connects the base to the apex. It forms a single continuous curve.

Comparison with Other Shapes:
Now, let's compare a cone with the other options given in the question:

a) Cone: A cone has 1 flat face (the base) and 1 curved face (the surface connecting the base to the apex). Therefore, a cone matches the given description and is the correct answer.
b) Cuboid: A cuboid has 6 flat faces, including the top and bottom faces. It does not have a curved face, so it does not match the given description.
c) Cylinder: A cylinder has 2 flat faces (the bases) and 1 curved face (the lateral surface). It does not have only 1 flat face, so it does not match the given description.
d) Cube: A cube has 6 flat faces, including the top and bottom faces. It does not have a curved face, so it does not match the given description.

Therefore, the correct answer is option 'A' - Cone, as it is the only solid shape that has 1 flat face and 1 curved face.

When pictures are used to represent information it is know as ________.
  • a)
    data
  • b)
    tally marks
  • c)
    lines
  • d)
    pictograph
Correct answer is option 'D'. Can you explain this answer?

Understanding Pictographs
Pictographs are a unique way to represent information using images or symbols. They make it easier for people, especially children, to understand and interpret data visually. Here’s how pictographs work:
What is a Pictograph?
- A pictograph is a graphical representation of data where pictures or symbols are used to convey information.
- Each picture or symbol in a pictograph represents a specific quantity or value, making it simple to compare and analyze data.
Why Use Pictographs?
- Visual Appeal: Pictographs are engaging and visually attractive, which helps capture the attention of the audience.
- Easy Interpretation: They simplify complex data, allowing even young students to grasp the information quickly.
- Clear Comparisons: By using images, it becomes easier to compare different sets of data at a glance.
Examples of Pictographs
- If a pictograph uses a picture of an apple to represent 5 apples sold, then 3 apples would be illustrated with 3 apple images.
- This representation allows anyone looking at the pictograph to easily see that 15 apples were sold (3 images x 5 apples each).
Conclusion
Pictographs are an effective tool for representing data visually. They help learners understand and analyze information in a fun and engaging way. Thus, when pictures are used to represent information, it is indeed known as a pictograph.

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