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All questions of Shapes for Class 1 Exam

What is a pattern of shapes?
  • a)
    A single shape repeated
  • b)
    Random arrangement of shapes
  • c)
    An arrangement of shapes in a specific order
  • d)
    Shapes without any specific order
Correct answer is option 'C'. Can you explain this answer?

Muskaan reddy answered
Understanding Patterns of Shapes
Patterns of shapes are an essential concept in early education, especially for young learners in Class 1. They help children recognize sequences and develop their cognitive skills.
What is a Pattern?
- A pattern is defined as an arrangement of shapes in a specific order.
- This arrangement can be based on color, size, shape, or a combination of these attributes.
Characteristics of Patterns:
- Repetition: Patterns often involve repeating a sequence of shapes. For example, a circle, square, circle, square is a simple pattern.
- Predictability: In a pattern, the next shape can be predicted based on previous shapes. This predictability is what makes patterns useful in learning.
Why Option C is Correct?
- Option C highlights that patterns have a specific order, distinguishing them from random arrangements.
- While a single shape repeated could be a simple pattern, the definition of a pattern encompasses more complex sequences.
Comparison with Other Options:
- Option A: A single shape repeated lacks variety and does not fully capture the essence of a pattern.
- Option B: A random arrangement of shapes does not follow any order, hence cannot be classified as a pattern.
- Option D: Shapes without any specific order also fail to represent a pattern as they do not have a predictable sequence.
Conclusion
Recognizing patterns is fundamental in mathematics and helps children develop logical thinking skills. Understanding that a pattern is an arrangement of shapes in a specific order (Option C) is crucial for their educational growth.

How is the total number of rectangles in a complex figure typically calculated?
  • a)
    By counting each edge
  • b)
    By adding up the base numbers of smaller rectangles
  • c)
    By measuring the perimeter
  • d)
    By dividing the area by the number of edges
Correct answer is option 'B'. Can you explain this answer?

Kds Coaching answered
  • Grid lines form many small rectangles where they cross.
  • Count every rectangle size separately (small, medium, large).
  • Add these counts to get the total number of rectangles.
  • This method ensures overlapping and nested rectangles are all included.
  • Other options like measuring edges or perimeter won’t count every sub‐rectangle correctly.

What is a polygon?
  • a)
    A shape with no sides
  • b)
    A closed figure with three or more straight sides
  • c)
    A shape with only curved lines
  • d)
    A figure with exactly four sides
Correct answer is option 'B'. Can you explain this answer?

Arti nair answered
What is a Polygon?
A polygon is a fundamental shape in geometry that plays a crucial role in various fields such as mathematics, art, and architecture. The correct definition of a polygon is:
A closed figure with three or more straight sides.
Key Characteristics of Polygons:
- Closed Shape:
- A polygon must enclose a space, meaning all its sides connect to form a complete loop.
- Straight Sides:
- All sides of a polygon are straight lines. Curved lines disqualify a shape from being a polygon.
- Three or More Sides:
- A minimum of three sides is required to form a polygon. With three sides, you get the simplest polygon known as a triangle.
Types of Polygons:
- Triangles:
- 3 sides
- Quadrilaterals:
- 4 sides (e.g., squares, rectangles)
- Pentagons:
- 5 sides
- Hexagons:
- 6 sides
Why the Other Options are Incorrect:
- Option A: A shape with no sides cannot form a polygon since polygons require sides for structure.
- Option C: A shape with only curved lines is not a polygon, as polygons consist solely of straight lines.
- Option D: A figure with exactly four sides is a specific type of polygon (quadrilateral), but polygons include any shape with three or more sides, not limited to four.
Understanding polygons is essential as they are the building blocks of many complex shapes in geometry!

Which shape can be described as having no corners and all points on the boundary equidistant from the center?
  • a)
    Square
  • b)
    Oval
  • c)
    Triangle
  • d)
    Circle
Correct answer is option 'D'. Can you explain this answer?

Harsh mehra answered
Circle
Circle is the shape that can be described as having no corners and all points on the boundary equidistant from the center. Let's break down why a circle fits this description:

No Corners:
- Unlike a square, triangle, or oval, a circle does not have any corners or angles. It has a continuous curved boundary that smoothly connects all points on the perimeter.

All Points Equidistant:
- In a circle, every point on the boundary is the same distance away from the center. This property is what makes a circle a unique shape with perfect symmetry.

Properties of a Circle:
- A circle is defined as the set of all points in a plane that are a certain distance (radius) away from a fixed point (center).
- The distance from the center to any point on the boundary is always the same, making it a shape with radial symmetry.

Conclusion:
- In conclusion, a circle is the only shape that meets the criteria of having no corners and all points on the boundary equidistant from the center. Its unique properties make it a fundamental shape in geometry and mathematics.

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