# Addition of 2-Digit Numbers using Short Form

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10 We will go over about addition of 2-digit numbers with regrouping utilizing brief kind:

Let’s attempt to resolve the copying:

A. Addition of Two 2-Digit Numbers:

1. Include 44 and 39.

Solution:

To discover the amount, we take the following actions:

 Step I: Write the provided numbers in column kind as revealed: Step II: Add the ones: 4 ones + 9 ones = 13 ones = 1 10 + 3 ones (* ) Write 3 under ones column and rollover 1 to 10s column. Step III: Add the 10s: 4 10s + 3 10s + 1 10 (rollovered) = 8 10s 44 Write 8 under 10s column. B. Addition of Three 2-Digit Numbers:

We can include 3 numbers likewise by the approach provided above.

1. Include 13, 24 and 54.

Solution:

To discover the amount, we compose the numbers in column kind and include columnwise.

Thus, the amount of 13, 24 and 54 is 91.

1. Include the following Two 2-Digit Numbers utilizing Short Form:

( i) 77 + 18 = _____

( ii) 28 + 36 = _____

( iii) 56 + 29 = _____

( iv) 68 + 15 = _____

( v) 32 + 49 = _____

( vi) 49 + 23 = _____

( vii) 55 + 28 = _____

( viii) 41 + 39 = _____

1.

( i) 95( ii) 64

( iii) 85

( iv) 83

( v) 81

( vi) 72

( vii) 83

( viii) 80

2. Include the following Thee 2-Digit Numbers utilizing Short Form:

( 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 = _____

2.

( i) 85( ii) 84

( iii) 78

( iv) 91

( v) 79

( vi) 81

( vii) 87

( viii) 91

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