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Pre-Algebra Examples
543⋅98
Step 1
Multiply 8 by 3. Place the ones digit (4) in the result line and carry the tens digit (2). There is one result line for each digit in 98.
| 2 | |||
| 5 | 4 | 3 | |
| ⨯ | 9 | 8 | |
| 4 |
Step 2
Multiply 8 by 4 and add the carried 2. Place the ones digit (4) in the result line and carry the tens digit (3). There is one result line for each digit in the 98.
| 3 | 2 | ||
| 5 | 4 | 3 | |
| ⨯ | 9 | 8 | |
| 4 | 4 |
Step 3
Multiply 8 by 5 and add the carried 3. Place the ones digit (3) in the result line and carry the tens digit (4). There is one result line for each digit in the 98.
| 5 | 4 | 3 | |
| ⨯ | 9 | 8 | |
| 4 | 3 | 4 | 4 |
Step 4
Multiply 9 by 3. Place the ones digit (7) in the result line and carry the tens digit (2). There is one result line for each digit in 98.
| 2 | |||
| 5 | 4 | 3 | |
| ⨯ | 9 | 8 | |
| 4 | 3 | 4 | 4 |
| 7 |
Step 5
Multiply 9 by 4 and add the carried 2. Place the ones digit (8) in the result line and carry the tens digit (3). There is one result line for each digit in the 98.
| 3 | 2 | ||
| 5 | 4 | 3 | |
| ⨯ | 9 | 8 | |
| 4 | 3 | 4 | 4 |
| 8 | 7 |
Step 6
Multiply 9 by 5 and add the carried 3. Place the ones digit (8) in the result line and carry the tens digit (4). There is one result line for each digit in the 98.
| 5 | 4 | 3 | ||
| ⨯ | 9 | 8 | ||
| 4 | 3 | 4 | 4 | |
| 4 | 8 | 8 | 7 |
Step 7
Add the numbers in each column. In this case, add 4+0, then place the 4 in the result line.
| 5 | 4 | 3 | ||
| ⨯ | 9 | 8 | ||
| 4 | 3 | 4 | 4 | |
| 4 | 8 | 8 | 7 | |
| 4 |
Step 8
Add the numbers in each column. In this case, add 4+7, then place the 1 in the result line and carry the 1.
| 5 | 4 | 3 | ||
| ⨯ | 9 | 8 | ||
| 4 | 3 | 4 | 4 | |
| 4 | 8 | 8 | 7 | |
| 1 | 4 |
Step 9
Add the numbers in each column. In this case, add 3+8+1, then place the 2 in the result line and carry the 1.
| 5 | 4 | 3 | ||
| ⨯ | 9 | 8 | ||
| 4 | 3 | 4 | 4 | |
| 4 | 8 | 8 | 7 | |
| 2 | 1 | 4 |
Step 10
Add the numbers in each column. In this case, add 4+8+1, then place the 3 in the result line and carry the 1.
| 5 | 4 | 3 | ||
| ⨯ | 9 | 8 | ||
| 4 | 3 | 4 | 4 | |
| 4 | 8 | 8 | 7 | |
| 3 | 2 | 1 | 4 |
Step 11
Add the numbers in each column. In this case, add 0+4+1, then place the 5 in the result line.
| 5 | 4 | 3 | ||
| ⨯ | 9 | 8 | ||
| 4 | 3 | 4 | 4 | |
| 4 | 8 | 8 | 7 | |
| 5 | 3 | 2 | 1 | 4 |
Step 12
The result of 543⋅98 is 53214.
53214