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We are going to focus on about addition of 2-digit numbers with regrouping utilizing brief kind:
Let’s attempt to remedy the next examples:
A. Addition of Two 2-Digit Numbers:
1. Add 44 and 39.
Answer:
To search out the sum, we take the next steps:
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Step I: Write the given numbers in column kind as proven: Step II: Add those: 4 ones + 9 ones = 13 ones = 1 ten + 3 ones Write 3 underneath ones column and carry over 1 to tens column. |
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Step III: Add the tens : 4 tens + 3 tens + 1 ten (carried over) = 8 tens 44 Write 8 underneath tens column. |
B. Addition of Three 2-Digit Numbers:
We will add 3 numbers additionally by the tactic given above.
1. Add 13, 24 and 54.
Answer:
To search out the sum, we write the numbers in column kind and add columnwise.
Thus, the sum of 13, 24 and 54 is 91.
1. Add the next Two 2-Digit Numbers utilizing Quick Kind:
(i) 77 + 18 = _____
(ii) 28 + 36 = _____
(iii) 56 + 29 = _____
(iv) 68 + 15 = _____
(v) 32 + 49 = _____
(vi) 49 + 23 = _____
(vii) 55 + 28 = _____
(viii) 41 + 39 = _____
Reply:
1. (i) 95
(ii) 64
(iii) 85
(iv) 83
(v) 81
(vi) 72
(vii) 83
(viii) 80
2. Add the next Thee 2-Digit Numbers utilizing Quick Kind:
(i) 52 + 15 + 18 = _____
(ii) 48 + 12 + 24 = _____
(iii) 36 + 19 + 23 = _____
(iv) 65 + 12 + 14 = _____
(v) 15 + 37 + 27 = _____
(vi) 24 + 25 + 32 = _____
(vii) 35 + 24 + 28 = _____
(viii) 59 + 11 + 21 = _____
Reply:
2. (i) 85
(ii) 84
(iii) 78
(iv) 91
(v) 79
(vi) 81
(vii) 87
(viii) 91
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