Pre-Algebra Examples

16 \cdot 16

$16 \cdot 16$

Step 1

Multiply using long multiplication.

Tap for more steps...

Step 1.1

Multiply

6

$6$ by

6

$6$ . Place the ones digit

(6)

$(6)$ in the result line and carry the tens digit

(3)

$(3)$ . There is one result line for each digit in

16

$16$ .

	$3$ $3$
	$1$ $1$	$6$ $6$
$⨯$ $⨯$	$1$ $1$	$6$ $6$
		$6$ $6$

Step 1.2

Multiply

6

$6$ by

1

$1$ and add the carried

3

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

16

$16$ .


	$1$ $1$	$6$ $6$
$⨯$ $⨯$	$1$ $1$	$6$ $6$
	$9$ $9$	$6$ $6$

Step 1.3

Multiply

1

$1$ by

6

$6$ . Place the result in the next column in the result line. There is one result line for each digit in

16

$16$ .


	$1$ $1$	$6$ $6$
$⨯$ $⨯$	$1$ $1$	$6$ $6$
	$9$ $9$	$6$ $6$
	$6$ $6$

Step 1.4

Multiply

1

$1$ by

1

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

16

$16$ .


	$1$ $1$	$6$ $6$
$⨯$ $⨯$	$1$ $1$	$6$ $6$
	$9$ $9$	$6$ $6$
$1$ $1$	$6$ $6$

Step 1.5

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

6 + 0

$6 + 0$ , then place the

6

$6$ in the result line.


	$1$ $1$	$6$ $6$
$⨯$ $⨯$	$1$ $1$	$6$ $6$
	$9$ $9$	$6$ $6$
$1$ $1$	$6$ $6$
		$6$ $6$

Step 1.6

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

9 + 6

$9 + 6$ , then place the

5

$5$ in the result line and carry the

1

$1$ .


	$1$ $1$	$6$ $6$
$⨯$ $⨯$	$1$ $1$	$6$ $6$
	$9$ $9$	$6$ $6$
$1$ $1$	$6$ $6$
	$5$ $5$	$6$ $6$

Step 1.7

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

0 + 1 + 1

$0 + 1 + 1$ , then place the

2

$2$ in the result line.


	$1$ $1$	$6$ $6$
$⨯$ $⨯$	$1$ $1$	$6$ $6$
	$9$ $9$	$6$ $6$
$1$ $1$	$6$ $6$
$2$ $2$	$5$ $5$	$6$ $6$


	$1$ $1$	$6$ $6$
$⨯$ $⨯$	$1$ $1$	$6$ $6$
	$9$ $9$	$6$ $6$
$1$ $1$	$6$ $6$
$2$ $2$	$5$ $5$	$6$ $6$

Step 2

The result of

16 \cdot 16

$16 \cdot 16$ is

256

$256$ .

256

$256$