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Addition And Subtraction Up To 99 - 1 Class 1 Worksheet Maths
Q1: Add the following.
(a) 
(b) 
(c) 
Q2: Add the following.
(a) 
(b) 
(c) 
Q3: Subtract the following.
(a) 
(b) 
(c) 
Q4: Subtract the following.
(a) 
(b) 
(c) 
Q5: Subtract by splitting numbers in your notebook.
(a) 24 from 78
(b) 57 from 98
(c) 21 from 69
(d) 46 from 58
Q6: Add by splitting numbers in your notebook.
(a) 80 and 11
(b) 40 and 50
(c) 46 and 22
(d) 66 and 33
Q7: Represent the following addition or subtraction sums using expanded form. One is done for you.
Q8: Addition and Subtraction Stories in Real Life
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FAQs on Addition And Subtraction Up To 99 - 1 Class 1 Worksheet Maths
| 1. What are the basic addition and subtraction strategies for numbers up to 99? |  |
Ans. The basic addition strategy involves adding the digits in the ones place first, then adding the digits in the tens place. For example, to add 35 and 42, we add 5 and 2 to get 7 in the ones place, and then add 3 and 4 to get 7 in the tens place, resulting in a sum of 77.
For subtraction, we start by subtracting the digits in the ones place, and then subtract the digits in the tens place. For example, to subtract 42 from 79, we subtract 2 from 9 to get 7 in the ones place, and then subtract 4 from 7 to get 3 in the tens place, resulting in a difference of 37.
| 2. How can I improve my skills in addition and subtraction up to 99? | |
Ans. To improve your skills in addition and subtraction up to 99, you can practice regularly with worksheets or online exercises. Start with simple problems and gradually increase the difficulty level. Break down complex problems into smaller steps, and use the basic addition and subtraction strategies mentioned earlier. Additionally, using manipulatives or visual aids can help build a better understanding of the concepts.
| 3. How can I mentally add or subtract numbers up to 99? | |
Ans. Mentally adding or subtracting numbers up to 99 can be done by using various strategies. One strategy is to break down the numbers into smaller parts. For example, to mentally add 38 and 57, you can break down 57 into 50 and 7, and then add 38 and 50 to get 88, and finally add 7 to get the sum of 95. Similarly, you can break down numbers for subtraction as well.
Another strategy is to use number relationships. For example, if you know that 8 + 7 is 15, then you can mentally add 18 + 7 as 25 by adding 10 to 15. Practice and familiarity with number patterns can also help improve mental calculations.
| 4. Are there any shortcuts or tricks to perform addition and subtraction quickly? | |
Ans. Yes, there are several shortcuts or tricks that can help perform addition and subtraction quickly for numbers up to 99. One such trick is using the "complement" method. For example, to add 38 and 47, you can find the complement of 38 (which is 62) and add it to 47 to get 109. Then subtract 100 from 109 to get the sum of 9.
Similarly, for subtraction, you can find the complement of the number being subtracted. For example, to subtract 37 from 89, you can find the complement of 37 (which is 63) and subtract it from 89 to get 26.
| 5. How can I check if my addition or subtraction calculation is correct? | |
Ans. To check if your addition or subtraction calculation is correct, you can use the inverse operation. For addition, you can subtract one of the numbers from the sum and see if you get the other number as the result. For example, if you added 35 and 42 to get 77, you can subtract 35 from 77 and see if you get 42 as the result.
For subtraction, you can add the difference to the smaller number and see if you get the larger number as the result. For example, if you subtracted 42 from 79 to get 37, you can add 37 to 42 and see if you get 79 as the result.
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