Class 1 Exam > Class 1 Videos > Mathematics for Class 1 > Subtraction Up to 99
Subtraction Up to 99 Video Lecture | Mathematics for Class 1
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FAQs on Subtraction Up to 99 Video Lecture - Mathematics for Class 1
| 1. How can I subtract numbers up to 99? |  |
Ans. To subtract numbers up to 99, start by aligning the digits vertically in columns, ensuring that the ones, tens, and hundreds places are properly aligned. Then, subtract the corresponding digits from right to left. If the digit being subtracted is larger than the digit being subtracted from, borrow from the next higher place value. Finally, subtract the borrowed value from the digit in the higher place value.
| 2. What should I do if I need to subtract a two-digit number from a one-digit number? | |
Ans. If you need to subtract a two-digit number from a one-digit number, place the one-digit number above the two-digit number and align them vertically. Then, subtract the corresponding digits from right to left, borrowing if necessary. Keep in mind that you can only borrow from the tens place when subtracting from a one-digit number.
| 3. How can I subtract numbers that require borrowing? | |
Ans. When subtracting numbers that require borrowing, such as in the case of subtracting 9 from 12, start by subtracting the ones place digit. If the digit being subtracted is larger than the digit being subtracted from, borrow from the tens place. Subtract the borrowed value from the digit in the tens place and then subtract the ones place digit. Remember to carry over any borrowed value to the ones place if necessary.
| 4. Can you provide an example of subtracting numbers up to 99? | |
Ans. Sure! Let's subtract 47 from 89. Align the digits vertically:
89
- 47
Subtract the ones place digit: 9 - 7 = 2. Then subtract the tens place digit: 8 - 4 = 4. The result is 42. Therefore, 89 - 47 = 42.
| 5. What should I do if the number being subtracted is larger than the number I am subtracting from? | |
Ans. If the number being subtracted is larger than the number you are subtracting from, you will need to borrow from the next higher place value. For example, if you need to subtract 8 from 2, you would borrow 1 from the tens place, resulting in 12 - 8 = 4.
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Dec 22, 2024 Last updated |
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