2 Digit Multiplication Easily Explained

2 digit multiplicationEasily explained !!

Presented by: Brent Daigle, Ph.D.

2 digit multiplicationFactors- numbers multiplied together

Product – answer to multiplication problem

Presented by: Brent Daigle, Ph.D.

2 digit multiplication26

x 12

The first step is to make sure the place values are lined up.

OnesTensPresented by: Brent Daigle, Ph.D.

2 digit multiplication26

x 12

Begin with multiplying the bottom factor’s one’s place with the top factors one’s place.

Think, 2 x 6 equals 12.

Because there is still the tens place to multiply, you must carry the 1.

2

1

Presented by: Brent Daigle, Ph.D.

2 digit multiplication26

x 12

Next, multiply the 2 and the other 2. Then, remember to add your carry of 1.

Think, 2x2=4+1=5

2

1

5

Presented by: Brent Daigle, Ph.D.

2 digit multiplication26

x 12

Next, because we are going to the next place value (tens), we need to use a 0 for a place holder. Place the 0 under the 2 in the products line.

Erase your carry from before.

2

1

50

Presented by: Brent Daigle, Ph.D.

2 digit multiplication26

x 12

Next, begin to multiply the 1in the tens place with the top line factor.

Think 1x6=6.

2506

Presented by: Brent Daigle, Ph.D.

2 digit multiplication26

x 12

Think 1x2=2.

25062

Presented by: Brent Daigle, Ph.D.

2 digit multiplication26

x 12

Finally, add the two product lines to find the final product.

25062+213

1

Add the ones place. Carry is necessary.

Add the tens place. Carry is necessary.

Add the hundreds place. Carry is necessary.

Presented by: Brent Daigle, Ph.D.

2 digit multiplicationThe product is 312

2 digit multiplication

Presented by: Brent Daigle, Ph.D.

The end !