Basic Math Examples

75 \cdot 2

$75 \cdot 2$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

2

$2$ by

5

$5$ . Place the ones digit

(0)

$(0)$ in the result line and carry the tens digit

(1)

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

2

$2$ .

	$1$ $1$
	$7$ $7$	$5$ $5$
$⨯$ $⨯$		$2$ $2$
		$0$ $0$

Step 1.2

Multiply

2

$2$ by

7

$7$ and add the carried

1

$1$ . 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 the

2

$2$ .


	$7$ $7$	$5$ $5$
$⨯$ $⨯$		$2$ $2$
$1$ $1$	$5$ $5$	$0$ $0$

Step 1.3

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

0

$0$ , then place the

0

$0$ in the result line.


	$7$ $7$	$5$ $5$
$⨯$ $⨯$		$2$ $2$
$1$ $1$	$5$ $5$	$0$ $0$
		$0$ $0$

Step 1.4

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

5

$5$ , then place the

5

$5$ in the result line.


	$7$ $7$	$5$ $5$
$⨯$ $⨯$		$2$ $2$
$1$ $1$	$5$ $5$	$0$ $0$
	$5$ $5$	$0$ $0$

Step 1.5

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

1

$1$ , then place the

1

$1$ in the result line.


	$7$ $7$	$5$ $5$
$⨯$ $⨯$		$2$ $2$
$1$ $1$	$5$ $5$	$0$ $0$
$1$ $1$	$5$ $5$	$0$ $0$


	$7$ $7$	$5$ $5$
$⨯$ $⨯$		$2$ $2$
$1$ $1$	$5$ $5$	$0$ $0$
$1$ $1$	$5$ $5$	$0$ $0$

Step 2

The result of

75 \cdot 2

$75 \cdot 2$ is

150

$150$ .

150

$150$

75 \cdot 2

$75 \cdot 2$

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