Basic Math Examples

40 \cdot 24

$40 \cdot 24$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

4

$4$ by

0

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

24

$24$ .


	$4$ $4$	$0$ $0$
$\times$ $⨯$	$2$ $2$	$4$ $4$
		$0$ $0$

Step 1.2

Multiply

4

$4$ by

4

$4$ . Place the ones digit

(6)

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

(1)

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

24

$24$ .


	$4$ $4$	$0$ $0$
$\times$ $⨯$	$2$ $2$	$4$ $4$
$1$ $1$	$6$ $6$	$0$ $0$

Step 1.3

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

24

$24$ .


	$4$ $4$	$0$ $0$
$\times$ $⨯$	$2$ $2$	$4$ $4$
$1$ $1$	$6$ $6$	$0$ $0$
	$0$ $0$

Step 1.4

Multiply

2

$2$ by

4

$4$ . Place the result in the next column in the result line. There is one result line for each digit in

24

$24$ .


	$4$ $4$	$0$ $0$
$\times$ $⨯$	$2$ $2$	$4$ $4$
$1$ $1$	$6$ $6$	$0$ $0$
$8$ $8$	$0$ $0$

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.


	$4$ $4$	$0$ $0$
$\times$ $⨯$	$2$ $2$	$4$ $4$
$1$ $1$	$6$ $6$	$0$ $0$
$8$ $8$	$0$ $0$
		$0$ $0$

Step 1.6

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

6 + 0

$6 + 0$ , then place the

6

$6$ in the result line.


	$4$ $4$	$0$ $0$
$\times$ $⨯$	$2$ $2$	$4$ $4$
$1$ $1$	$6$ $6$	$0$ $0$
$8$ $8$	$0$ $0$
	$6$ $6$	$0$ $0$

Step 1.7

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

1 + 8

$1 + 8$ , then place the

9

$9$ in the result line.


	$4$ $4$	$0$ $0$
$\times$ $⨯$	$2$ $2$	$4$ $4$
$1$ $1$	$6$ $6$	$0$ $0$
$8$ $8$	$0$ $0$
$9$ $9$	$6$ $6$	$0$ $0$


	$4$ $4$	$0$ $0$
$\times$ $⨯$	$2$ $2$	$4$ $4$
$1$ $1$	$6$ $6$	$0$ $0$
$8$ $8$	$0$ $0$
$9$ $9$	$6$ $6$	$0$ $0$

Step 2

The result of

40 \cdot 24

$40 \cdot 24$ is

960

$960$ .

960

$960$