Basic Math Examples

225 \cdot 3

$225 \cdot 3$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

3

$3$ by

5

$5$ . Place the ones digit

(5)

$(5)$ in the result line and carry the tens digit

(1)

$(1)$ . There is one result line for each digit in

3

$3$ .

		$1$ $1$
	$2$ $2$	$2$ $2$	$5$ $5$
$⨯$ $⨯$			$3$ $3$
			$5$ $5$

Step 1.2

Multiply

3

$3$ by

2

$2$ and add the carried

1

$1$ . Place the result in the next column in the result line. There is one result line for each digit in

3

$3$ .

		$1$ $1$
	$2$ $2$	$2$ $2$	$5$ $5$
$⨯$ $⨯$			$3$ $3$
		$7$ $7$	$5$ $5$

Step 1.3

Multiply

3

$3$ by

2

$2$ . Place the result in the next column in the result line. There is one result line for each digit in

3

$3$ .


	$2$ $2$	$2$ $2$	$5$ $5$
$⨯$ $⨯$			$3$ $3$
	$6$ $6$	$7$ $7$	$5$ $5$

Step 1.4

Add the numbers in each column. In this case, add

5

$5$ , then place the

5

$5$ in the result line.


	$2$ $2$	$2$ $2$	$5$ $5$
$⨯$ $⨯$			$3$ $3$
	$6$ $6$	$7$ $7$	$5$ $5$
			$5$ $5$

Step 1.5

Add the numbers in each column. In this case, add

7

$7$ , then place the

7

$7$ in the result line.


	$2$ $2$	$2$ $2$	$5$ $5$
$⨯$ $⨯$			$3$ $3$
	$6$ $6$	$7$ $7$	$5$ $5$
		$7$ $7$	$5$ $5$

Step 1.6

Add the numbers in each column. In this case, add

6

$6$ , then place the

6

$6$ in the result line.


	$2$ $2$	$2$ $2$	$5$ $5$
$⨯$ $⨯$			$3$ $3$
	$6$ $6$	$7$ $7$	$5$ $5$
	$6$ $6$	$7$ $7$	$5$ $5$


	$2$ $2$	$2$ $2$	$5$ $5$
$⨯$ $⨯$			$3$ $3$
	$6$ $6$	$7$ $7$	$5$ $5$
	$6$ $6$	$7$ $7$	$5$ $5$

Step 2

The result of

225 \cdot 3

$225 \cdot 3$ is

675

$675$ .

675

$675$

225 \cdot 3

$225 \cdot 3$

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