Class 4 Exam > Class 4 Notes > Mathematics for Class 4 > Worksheet: Patterns and Symmetry - 2
Patterns and Symmetry - 2 Class 4 Worksheet Maths
Q1: Is the dotted line on each shape a line of symmetry? Write yes or no.
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
(viii)
Q2: Multiple Choice Questions (MCQ)
Q2: Multiple Choice Questions (MCQ)(i) Complete the pattern: 12, 24, 48, 96, ___, ___
(a) 192, 384
(b) 192, 382
(c) 182, 364
(d) 190, 380
(ii) Complete the pattern: 3, 30, 300, ___, ___
(a) 300, 3000
(b) 30000, 3000
(c) 3000, 30000
(d) 3000, 3000
(iii) Write down next three terms for 8, 13, 18, 23, ______, _______, ________
(a) 27, 32, 37
(b) 28, 31, 36
(c) 28, 33, 38
(d) 28, 32, 37
(iv) Write number pattern next three terms 4, 8, 16, 32 ____, ____, ____.
(a) 62, 128, 254
(b) 60, 85, 90
(c) 64, 128, 256
(d) 60, 70, 120
(v) Write Number Patterns next three terms 95, 88, 81, 74 ____, ____, _____.
(a) 65, 60, 55
(b) 60, 55, 50
(c) 62, 67, 69
(d) 67, 60, 53
(vi) Complete the pattern:
(a)
(b)
(c)
(d)
(vii) Study the pattern and fill the missing term.
(a) 42
(b) 48
(c) 50
(d) 52
(viii) Find the missing number of the following figure:
(a) 14
(b) 13
(c) 12
(d) 9
(ix) Which of the shapes are divided into two mirror halves by dotted line?
(a) A and B
(b) All of these
(c) B and C
(d) B and C
You can find Worksheets Solutions here: Worksheet Solutions: Patterns and Symmetry - 2
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FAQs on Patterns and Symmetry - 2 Class 4 Worksheet Maths
| 1. What is the importance of patterns and symmetry in mathematics? |  |
Ans. Patterns and symmetry are important concepts in mathematics as they help in understanding and analyzing various mathematical structures. They provide a way to organize and represent information, making it easier to solve problems and identify relationships between different elements. Patterns and symmetry are also used in fields such as geometry, algebra, and number theory to study and describe mathematical objects and their properties.
| 2. How can patterns be identified and analyzed? | |
Ans. Patterns can be identified by observing the repetition or regularity in a sequence of numbers, shapes, or other elements. They can be analyzed by studying the relationship between the elements and identifying the rule or pattern that governs their arrangement. This can involve looking for common differences, ratios, or geometric transformations. Once a pattern is identified, it can be extended or used to predict future elements in the sequence.
| 3. What are the different types of symmetry? | |
Ans. There are several types of symmetry, including reflectional symmetry, rotational symmetry, and translational symmetry.
- Reflectional symmetry, also known as mirror symmetry, occurs when an object can be divided into two equal halves that are mirror images of each other. For example, the letter "A" has reflectional symmetry.
- Rotational symmetry occurs when an object can be rotated around a fixed point and still look the same. For example, a square has rotational symmetry of order 4, as it can be rotated by 90 degrees four times and still retain its shape.
- Translational symmetry occurs when an object can be shifted or translated without changing its overall appearance. For example, a brick wall has translational symmetry as each brick is identical and repeated in a regular pattern.
| 4. How are patterns and symmetry used in real-life applications? | |
Ans. Patterns and symmetry are used in various real-life applications.
In art and design, patterns and symmetry are often used to create visually appealing compositions. They can be found in architecture, textile designs, and even in nature, such as the patterns on animal skins or the arrangement of petals in a flower.
In science and technology, patterns and symmetry are used to describe and understand natural phenomena. For example, the periodic table in chemistry is organized based on patterns of atomic properties. In physics, symmetry principles are used to explain fundamental laws and theories.
In computer science and data analysis, patterns and symmetry are used in algorithms and machine learning to identify trends, make predictions, and solve complex problems.
| 5. How can understanding patterns and symmetry improve problem-solving skills? | |
Ans. Understanding patterns and symmetry can improve problem-solving skills by developing the ability to recognize and analyze relationships between different elements. It helps in identifying the underlying structure or rule that governs a problem, making it easier to find solutions. By observing patterns, one can make predictions and generalize solutions to similar problems. Additionally, understanding symmetry allows for the recognition of symmetrical properties, which can simplify problem-solving by reducing the number of cases to consider. Overall, studying patterns and symmetry enhances critical thinking and analytical skills, which are essential for problem-solving in various fields.
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