Class 7 Exam > Class 7 Videos > Mathematics (Maths) Class 7 (Old NCERT) > Quick Revision: Integers
Quick Revision: Integers Video Lecture | Mathematics (Maths) Class 7 (Old NCERT)
FAQs on Quick Revision: Integers Video Lecture - Mathematics (Maths) Class 7 (Old NCERT)
| 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.
| 2. How do you add integers? | |
Ans. To add integers with the same sign, you add their absolute values and keep the sign. If the signs are different, subtract the number with the greater absolute value from the one with the smaller absolute value and keep the sign of the number with the greater absolute value.
| 3. How do you subtract integers? | |
Ans. To subtract integers, add the opposite. This means changing the subtraction sign to addition and changing the sign of the number being subtracted.
| 4. What is the rule for multiplying integers? | |
Ans. When multiplying integers, if the signs are the same, the product is positive. If the signs are different, the product is negative.
| 5. How do you divide integers? | |
Ans. When dividing integers, if the signs are the same, the quotient is positive. If the signs are different, the quotient is negative.
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