LINEAR ADDITION WITH REGROUPING OF NUMBERS
Q.1) 18 + 24 = ?
Ans.) 18 = 1 Ten + 8 Ones.
24 = 2 Tens + 4 Ones.
Add Ones = 8 Ones + 4 Ones = 12 Ones.
Add Tens = 1 Ten + 2 Tens = 3 Tens.
In above equations, we have found that 12 Ones and 3 Tens. We can find 12 Ones = 1 Ten 2 Ones. Now we add obtained 1 Ten with 3 Tens and we find 1 Ten + 3 Tens = 4 Tens.
So, the number is 4 Tens + 2 Ones = 42
18 + 24 = 42 (Ans.)
Q.2) 32 + 48 = ?
Ans.) 32 = 3 Tens + 2 Ones.
48 = 4 Tens + 8 Ones.
Add Ones = 2 Ones + 8 Ones = 10 Ones.
Add Tens = 3 Tens + 4 Tens = 7 Tens.
In above equations, we have found that 10 Ones and 7 Tens. We can find 10 Ones = 1 Ten 0 One. Now we add obtained 1 Ten with 7 Tens and we find 1 Ten + 7 Tens = 8 Tens.
So, the number is 8 Tens + 0 One = 80
32 + 48 = 80 (Ans.)
Q.3) 27 + 49 = ?
Ans.) 27 = 2 Tens + 7 Ones.
49 = 4 Tens + 9 Ones.
Add Ones = 7 Ones + 9 Ones = 16 Ones.
Add Tens = 2 Tens + 4 Tens = 6 Tens.
In above equations, we have found that 16 Ones and 6 Tens. We can find 16 Ones = 1 Ten 6 Ones. Now we add obtained 1 Ten with 6 Tens and we find 1 Ten + 6 Tens = 7 Tens.
So, the number is 7 Tens + 6 Ones = 76
27 + 49 = 76 (Ans.)
Q.4) 57 + 45 = ?
Ans.) 57 = 5 Tens + 7 Ones.
45 = 4 Tens + 5 Ones.
Add Ones = 7 Ones + 5 Ones = 12 Ones.
Add Tens = 5 Tens + 4 Tens = 9 Tens.
In above equations, we have found that 12 Ones and 9 Tens. We can find 12 Ones = 1 Ten 2 Ones. Now we add obtained 1 Ten with 9 Tens and we find 1 Ten + 9 Tens = 10 Tens.
So, the number is 10 Tens + 2 Ones = 102
57 + 45 = 102 (Ans.)
Q.5) 65 + 28 = ?
Ans.) 65 = 6 Tens + 5 Ones.
28 = 2 Tens + 8 Ones.
Add Ones = 5 Ones + 8 Ones = 13 Ones.
Add Tens = 6 Tens + 2 Tens = 8 Tens.
In above equations, we have found that 13 Ones and 8 Tens. We can find 13 Ones = 1 Ten 3 Ones. Now we add obtained 1 Ten with 8 Tens and we find 1 Ten + 8 Tens = 9 Tens.
So, the number is 9 Tens + 3 Ones = 93
65 + 28 = 93 (Ans.)