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What are Integers? Video Lecture - Class 9
FAQs on What are Integers? Video Lecture - Class 9
| 1. What are integers? |  |
Ans. Integers are a type of number that includes all positive and negative whole numbers (including zero) without any fractional or decimal parts. In other words, integers are whole numbers that can be represented on a number line, and they do not include fractions or decimals.
| 2. What is the difference between positive and negative integers? | |
Ans. Positive integers are numbers greater than zero, while negative integers are numbers less than zero. Positive numbers are represented to the right of zero on a number line, while negative numbers are represented to the left of zero. The absolute value of a negative integer is the positive version of that number, and the absolute value of a positive integer is the same as the number itself.
| 3. Can fractions and decimals be integers? | |
Ans. No, fractions and decimals cannot be integers. Integers are defined as whole numbers without any fractional or decimal parts. Fractions and decimals are not considered integers because they represent values that are not whole numbers.
| 4. What are some examples of integers? | |
Ans. Examples of integers include -3, -2, -1, 0, 1, 2, 3, and so on. Any whole number (including zero) is an integer, and it can be either positive or negative.
| 5. How are integers used in real life? | |
Ans. Integers are used in many real-life situations, such as measuring distance, keeping score in games, and tracking temperatures. For example, if you travel 5 miles north and then 3 miles south, you can represent the total distance traveled as 2 miles north (which is a positive integer). In sports, the score is typically represented using integers, with each point or goal adding to the total. In weather, temperatures are often represented as integers, where negative integers represent temperatures below freezing and positive integers represent temperatures above freezing.
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Nov 16, 2024 Last updated |
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