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Integers (Exercise 1.1) - Math, Class 7 Video Lecture

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FAQs on Integers (Exercise 1.1) - Math, Class 7 Video Lecture

1. What are integers?
Ans. Integers are whole numbers that can be positive, negative, or zero. They do not have any fractional or decimal parts. Examples of integers include -3, 0, 5, and 10.
2. How are integers different from whole numbers?
Ans. While integers include both positive and negative numbers along with zero, whole numbers only include positive numbers and zero. In other words, whole numbers do not have any negative values.
3. Can integers be fractions or decimals?
Ans. No, integers cannot be fractions or decimals. Integers are whole numbers, so they do not have any fractional or decimal parts. They are only represented by counting numbers, their negatives, and zero.
4. What is the difference between positive and negative integers?
Ans. Positive integers are greater than zero, while negative integers are less than zero. Positive integers are represented without any sign, while negative integers are represented with a negative sign (-) before the number.
5. How are integers used in real-life situations?
Ans. Integers are used in various real-life situations, such as measuring temperatures (positive and negative), calculating gains and losses in finance, representing positions on a number line, and solving problems involving direction and distance.
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