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Adding a 2-digit number and a 1-digit number
(with carrying)
Find the sum.
1.
42 + 8 =
2.
59 + 3 =
3.
72 + 9 =
4.
72 + 8 =
5.
8 + 3 =
6.
37 + 9 =
7.
33 + 8 =
8.
29 + 8 =
9.
63 + 7 =
10.
16 + 6 =
11.
71 + 9 =
12.
73 + 8 =
13.
31 + 9 =
14.
2 + 9 =
15.
54 + 7 =
16.
77 + 5 =
17.
45 + 7 =
18.
5 + 5 =
19.
27 + 6 =
20.
15 + 8 =
Page 2


Adding a 2-digit number and a 1-digit number
(with carrying)
Find the sum.
1.
42 + 8 =
2.
59 + 3 =
3.
72 + 9 =
4.
72 + 8 =
5.
8 + 3 =
6.
37 + 9 =
7.
33 + 8 =
8.
29 + 8 =
9.
63 + 7 =
10.
16 + 6 =
11.
71 + 9 =
12.
73 + 8 =
13.
31 + 9 =
14.
2 + 9 =
15.
54 + 7 =
16.
77 + 5 =
17.
45 + 7 =
18.
5 + 5 =
19.
27 + 6 =
20.
15 + 8 =
Adding a 2-digit number and a 1-digit number
(with carrying)
Find the sum.
1.
42 + 8 = 50
2.
59 + 3 = 62
3.
72 + 9 = 81
4.
72 + 8 = 80
5.
8 + 3 = 11
6.
37 + 9 = 46
7.
33 + 8 = 41
8.
29 + 8 = 37
9.
63 + 7 = 70
10.
16 + 6 = 22
11.
71 + 9 = 80
12.
73 + 8 = 81
13.
31 + 9 = 40
14.
2 + 9 = 11
15.
54 + 7 = 61
16.
77 + 5 = 82
17.
45 + 7 = 52
18.
5 + 5 = 10
19.
27 + 6 = 33
20.
15 + 8 = 23
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FAQs on Printable Worksheet: Addition - 1 - Mathematics for Class 3: NCERT

1. What is addition?
Ans. Addition is a mathematical operation that combines two or more numbers to find their total or sum.
2. How do we perform addition?
Ans. To perform addition, we line up the numbers vertically, ensuring that the place values are properly aligned. We start adding the digits from the rightmost column and carry over any excess to the next column if needed.
3. Can we add more than two numbers together?
Ans. Yes, we can add more than two numbers together. We can add three or more numbers by adding them in pairs, one pair at a time. The sum of the first pair is then added to the next number, and so on, until all numbers are added.
4. Can we add numbers with different place values?
Ans. Yes, we can add numbers with different place values. When adding numbers with different place values, we need to make sure that the place values are properly aligned. We start adding the digits from the rightmost column and carry over any excess to the next column if needed.
5. What is the commutative property of addition?
Ans. The commutative property of addition states that the order in which we add numbers does not affect the sum. In other words, changing the order of the numbers being added does not change the result. For example, 2 + 3 is the same as 3 + 2, and both equal 5.
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