Class 7 Exam > Class 7 Videos > Mathematics (Maths) Class 7 > Examples: Word Problems for Addition and Subtraction of Integers
Examples: Word Problems for Addition and Subtraction of Integers Video Lecture | Mathematics (Maths) Class 7
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FAQs on Examples: Word Problems for Addition and Subtraction of Integers Video Lecture - Mathematics (Maths) Class 7
| 1. What are integers? |  |
Ans. Integers are whole numbers that can be positive, negative, or zero. They are not decimals or fractions.
| 2. How do you add integers? | |
Ans. To add integers, you can simply add the numbers together. If both integers are positive, the result will be positive. If both integers are negative, the result will be negative. If one integer is positive and the other is negative, you subtract the smaller absolute value from the larger absolute value and use the sign of the integer with the larger absolute value.
| 3. How do you subtract integers? | |
Ans. To subtract integers, you can add the opposite of the second integer. The opposite of an integer is the same number with the opposite sign. For example, the opposite of -5 is +5. Then, follow the rules for adding integers.
| 4. Can you give an example of a word problem for addition of integers? | |
Ans. John has 5 dollars and he earns 7 dollars. How much money does he have now? To solve this problem, we add 5 and 7 to get 12. Therefore, John has 12 dollars now.
| 5. Can you give an example of a word problem for subtraction of integers? | |
Ans. Sarah had 10 pencils and she gave away 4 pencils. How many pencils does she have now? To solve this problem, we subtract 4 from 10 to get 6. Therefore, Sarah has 6 pencils now.
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Nov 24, 2024 Last updated |
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