3-Digit by 2-Digit Multiplication | Math with Mr. J

What do you multiply first?

• 4 x 2

• 5 x 9

• 4 x 9

What do you do with the 1 that has been regrouped?

• multiply it

• add it 

• ignore it

What do you multiply first?

• 3 x 8

• 3 x 6

• 7 x 8

After you do 3 x 2=6, what do you do with the 2 that was regrouped?

• multiply 6 x 2

• add 6 + 2

• save it for later

Before you multiply by the 7, what do you need to do first?

• Nothing, you are ready to multiply by the 7

• Put a place holder 0 in the ones column

If 7 x 8 = 56, which digit gets regrouped?

• 5

• 6

What is 7 x 2 + 5?

• 14

• 19

• 70

What do you do with the 2 partial products?

• Add them together

• Nothing, this is the final answer

What is the final answer to 628 x 73?

• 45,844

• 44,744

• 45,944

Solve 235 x 43.

• 11,105

• 10,105

• 10,285