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What are Integers? Video Lecture | Mathematics for Class 5

FAQs on What are Integers? Video Lecture - Mathematics for Class 5

1. What are integers?
Ans.Integers are whole numbers that can be positive, negative, or zero. They do not include fractions or decimals. For example, -3, 0, and 7 are all integers.
2. How are integers used in everyday life?
Ans.Integers are used in various everyday situations such as counting items, measuring temperatures, and keeping track of scores in games. They help us represent quantities that can be whole numbers, both positive and negative.
3. What is the difference between integers and whole numbers?
Ans.Whole numbers are a subset of integers. Whole numbers include all positive integers and zero (0, 1, 2, 3, ...), while integers include negative numbers as well (…,-3, -2, -1, 0, 1, 2, 3,…). So, all whole numbers are integers, but not all integers are whole numbers.
4. Can integers be used in mathematical operations?
Ans.Yes, integers can be used in all basic mathematical operations such as addition, subtraction, multiplication, and division. However, dividing two integers can sometimes result in a non-integer (for example, 1 ÷ 2 = 0.5, which is not an integer).
5. What are some properties of integers?
Ans.Integers have several important properties, including closure (the sum or product of any two integers is also an integer), commutativity (the order in which you add or multiply integers does not change the result), and associativity (the way in which integers are grouped in addition or multiplication does not affect the outcome).
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