Basic Math Examples

13 \cdot 30

$13 \cdot 30$

Step 1

Multiply using long multiplication.

Tap for more steps...

Step 1.1

Multiply

0

$0$ by

3

$3$ . Place the result in the next column in the result line. There is one result line for each digit in

30

$30$ .


	$1$ $1$	$3$ $3$
$⨯$ $⨯$	$3$ $3$	$0$ $0$
		$0$ $0$

Step 1.2

Multiply

0

$0$ by

1

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

30

$30$ .


	$1$ $1$	$3$ $3$
$⨯$ $⨯$	$3$ $3$	$0$ $0$
	$0$ $0$	$0$ $0$

Step 1.3

Multiply

3

$3$ by

3

$3$ . Place the result in the next column in the result line. There is one result line for each digit in

30

$30$ .


	$1$ $1$	$3$ $3$
$⨯$ $⨯$	$3$ $3$	$0$ $0$
	$0$ $0$	$0$ $0$
	$9$ $9$

Step 1.4

Multiply

3

$3$ by

1

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

30

$30$ .


	$1$ $1$	$3$ $3$
$⨯$ $⨯$	$3$ $3$	$0$ $0$
	$0$ $0$	$0$ $0$
$3$ $3$	$9$ $9$

Step 1.5

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

0 + 0

$0 + 0$ , then place the

0

$0$ in the result line.


	$1$ $1$	$3$ $3$
$⨯$ $⨯$	$3$ $3$	$0$ $0$
	$0$ $0$	$0$ $0$
$3$ $3$	$9$ $9$
		$0$ $0$

Step 1.6

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

0 + 9

$0 + 9$ , then place the

9

$9$ in the result line.


	$1$ $1$	$3$ $3$
$⨯$ $⨯$	$3$ $3$	$0$ $0$
	$0$ $0$	$0$ $0$
$3$ $3$	$9$ $9$
	$9$ $9$	$0$ $0$

Step 1.7

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

0 + 3

$0 + 3$ , then place the

3

$3$ in the result line.


	$1$ $1$	$3$ $3$
$⨯$ $⨯$	$3$ $3$	$0$ $0$
	$0$ $0$	$0$ $0$
$3$ $3$	$9$ $9$
$3$ $3$	$9$ $9$	$0$ $0$


	$1$ $1$	$3$ $3$
$⨯$ $⨯$	$3$ $3$	$0$ $0$
	$0$ $0$	$0$ $0$
$3$ $3$	$9$ $9$
$3$ $3$	$9$ $9$	$0$ $0$

Step 2

The result of

13 \cdot 30

$13 \cdot 30$ is

390

$390$ .

390

$390$

13 \cdot 30

$13 \cdot 30$

(

)

[

]

√



≥















≤





































