Basic Math Examples

31 \cdot 5

$31 \cdot 5$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

5

$5$ by

1

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

5

$5$ .

Step 1.2

Multiply

5

$5$ by

3

$3$ . 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

5

$5$ .

Step 1.3

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

5

$5$ , then place the

5

$5$ in the result line.

Step 1.4

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

5

$5$ , then place the

5

$5$ in the result line.

Step 1.5

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

1

$1$ , then place the

1

$1$ in the result line.

Step 2

The result of

31 \cdot 5

$31 \cdot 5$ is

155

$155$ .

155

$155$