Basic Math Examples

10 \cdot 12

$10 \cdot 12$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

2

$2$ by

0

$0$ . Place the result in the next column in the result line. There is one result line for each digit in

12

$12$ .


	$1$ $1$	$0$ $0$
$\times$ $⨯$	$1$ $1$	$2$ $2$
		$0$ $0$

Step 1.2

Multiply

2

$2$ by

1

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

12

$12$ .


	$1$ $1$	$0$ $0$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$2$ $2$	$0$ $0$

Step 1.3

Multiply

1

$1$ by

0

$0$ . Place the result in the next column in the result line. There is one result line for each digit in

12

$12$ .


	$1$ $1$	$0$ $0$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$2$ $2$	$0$ $0$
	$0$ $0$

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

12

$12$ .


	$1$ $1$	$0$ $0$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$2$ $2$	$0$ $0$
$1$ $1$	$0$ $0$

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.


	$1$ $1$	$0$ $0$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$2$ $2$	$0$ $0$
$1$ $1$	$0$ $0$
		$0$ $0$

Step 1.6

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

2 + 0

$2 + 0$ , then place the

2

$2$ in the result line.


	$1$ $1$	$0$ $0$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$2$ $2$	$0$ $0$
$1$ $1$	$0$ $0$
	$2$ $2$	$0$ $0$

Step 1.7

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

0 + 1

$0 + 1$ , then place the

1

$1$ in the result line.


	$1$ $1$	$0$ $0$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$2$ $2$	$0$ $0$
$1$ $1$	$0$ $0$
$1$ $1$	$2$ $2$	$0$ $0$


	$1$ $1$	$0$ $0$
$\times$ $⨯$	$1$ $1$	$2$ $2$
	$2$ $2$	$0$ $0$
$1$ $1$	$0$ $0$
$1$ $1$	$2$ $2$	$0$ $0$

Step 2

The result of

10 \cdot 12

$10 \cdot 12$ is

120

$120$ .

120

$120$