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NCERT Solutions for Class 5 EVS - Playing With Numbers (Ex- 3.3)

FAQs on NCERT Solutions for Class 5 EVS - Playing With Numbers (Ex- 3.3)

1. What are the different techniques used in playing with numbers?
Ans. Playing with numbers involves various techniques such as prime factorization, divisibility rules, finding multiples, factors, and common factors of numbers. These techniques help in solving problems related to number patterns and relationships.
2. How can prime factorization be used in playing with numbers?
Ans. Prime factorization is a technique used to express a given number as a product of its prime factors. It helps in understanding the factors and multiples of a number and finding the common factors between two or more numbers. This technique is particularly useful in simplifying fractions and solving problems related to divisibility.
3. What are the divisibility rules and how are they used in playing with numbers?
Ans. Divisibility rules are specific rules that help in determining whether a number is divisible by another number without performing the actual division. For example, a number is divisible by 2 if its last digit is even, and a number is divisible by 3 if the sum of its digits is divisible by 3. These rules are used to quickly identify the factors of a number and solve problems related to divisibility.
4. How can finding multiples and factors help in playing with numbers?
Ans. Finding multiples of a number helps in identifying the numbers that can be divided evenly by that given number. It is particularly useful in understanding number patterns and relationships. Factors, on the other hand, are the numbers that divide a given number exactly without leaving a remainder. Finding factors helps in simplifying fractions, identifying common factors, and solving problems related to divisibility.
5. How can playing with numbers help in improving mathematical skills?
Ans. Playing with numbers involves various techniques and problem-solving strategies that enhance mathematical skills. It helps in developing critical thinking, logical reasoning, and analytical abilities. By practicing different techniques and solving numerical problems, individuals can improve their mathematical aptitude, problem-solving skills, and overall numerical literacy.
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NCERT Solutions for Class 5 EVS - Playing With Numbers (Ex- 3.3)

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