Two-Digit by Two-Digit Multiplication Box Method

Box Method of Multiplication #2

2 Digit by 2 Digit

Box Method

• Split your two digit numbers up by place

• Ex: 52 becomes 50 and 2, and 23 becomes 20 and 3

• Multiply each place by the other digit

• Ex: 52 x 23 = 50 x 20 , 50 x 3, 2 x 20 and 2 x 3

• Add your partial products together

• Ex: 1000 + 150 + 40 + 6 = 1196

• FInal Step = Celebrate :)

Multiple Choice

For 35 X 18, what would you split 35 into?

• 30 and 5

• 30 and 8

• 5 and 8

Multiple Choice

For 42 X 27, what would you split 27 into?

• 20 and 2

• 20 and 7

• 2 and 7

Multiple Choice

For 81 X 36, what would you split 81 into?

• 80 and 1

• 80 and 6

• 1 and 6

Multiple Choice

What is 45 x 13?

• 585

• 58

• 120

• 135

Poll

Are you ready to demonstrate this strategy to Mr. Whittleton via Google Meet?

• Yes!

• Almost, I just need some practice.

• I'm getting there, but I need a little help.

• NO! I need a lot of help!

Multiple Choice

What is 54 x 45?

• 2430

• 2250

• 2160

• 99