1. Set up the long multiplication.
1 5 4
x 3 5
_______
2. Calculate 4 x 5, which is 20.
Since 20 is two-digit, we carry the first digit 2 to the next column.
1 5 4
x 3 5
_______
²
0
3. Calculate 5 x 5, which is 25. Now add the carry digit of 2, which is 27.
Since 27 is two-digit, we carry the first digit 2 to the next column.
1 5 4
x 3 5
_______
² ²
7 0
4. Calculate 1 x 5, which is 5. Now add the carry digit of 2, which is 7.
1 5 4
x 3 5
_______
² ²
7 7 0
5. Calculate 4 x 3, which is 12.
Since 12 is two-digit, we carry the first digit 1 to the next column.
1 5 4
x 3 5
_______
² ²
7 7 0
1
2 0
__________
6. Calculate 5 x 3, which is 15. Now add the carry digit of 1, which is 16.
Since 16 is two-digit, we carry the first digit 1 to the next column.
1 5 4
x 3 5
_______
² ²
7 7 0
1 1
6 2 0
__________
7. Calculate 1 x 3, which is 3. Now add the carry digit of 1, which is 4.
1 5 4
x 3 5
_______
² ²
7 7 0
1 1
4 6 2 0
__________
8. Calculate 770 + 4620, which is 5390
1 5 4
x 3 5
_______
² ²
7 7 0
1 1
4 6 2 0
__________
1
5 3 9 0
9. Therefore, 154 x 35 = 5390.
5390
