Basic Math Examples

$99 \cdot 50$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

$0$ by

$9$ . Place the result in the next column in the result line. There is one result line for each digit in

$50$ .


	$9$	$9$
$⨯$	$5$	$0$
		$0$

Step 1.2

Multiply

$0$ by

$9$ . Place the result in the next column in the result line. There is one result line for each digit in

$50$ .


	$9$	$9$
$⨯$	$5$	$0$
	$0$	$0$

Step 1.3

Multiply

$5$ by

$9$ . Place the ones digit

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

$(4)$ . There is one result line for each digit in

$50$ .

	$4$
	$9$	$9$
$⨯$	$5$	$0$
	$0$	$0$
	$5$

Step 1.4

Multiply

$5$ by

$9$ and add the carried

$4$ . Place the ones digit

$(9)$ in the result line and carry the tens digit

$(4)$ . There is one result line for each digit in the

$50$ .


		$9$	$9$
	$⨯$	$5$	$0$
		$0$	$0$
$4$	$9$	$5$

Step 1.5

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

$0 + 0$ , then place the

$0$ in the result line.


		$9$	$9$
	$⨯$	$5$	$0$
		$0$	$0$
$4$	$9$	$5$
			$0$

Step 1.6

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

$0 + 5$ , then place the

$5$ in the result line.


		$9$	$9$
	$⨯$	$5$	$0$
		$0$	$0$
$4$	$9$	$5$
		$5$	$0$

Step 1.7

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

$0 + 9$ , then place the

$9$ in the result line.


		$9$	$9$
	$⨯$	$5$	$0$
		$0$	$0$
$4$	$9$	$5$
	$9$	$5$	$0$

Step 1.8

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

$0 + 4$ , then place the

$4$ in the result line.


		$9$	$9$
	$⨯$	$5$	$0$
		$0$	$0$
$4$	$9$	$5$
$4$	$9$	$5$	$0$


		$9$	$9$
	$⨯$	$5$	$0$
		$0$	$0$
$4$	$9$	$5$
$4$	$9$	$5$	$0$

Step 2

The result of

$99 \cdot 50$ is

$4950$ .

$4950$