Area Model Area Model for Multiplicationfor Multiplication

43 x 27 = ?43 x 27 = ?Break apart the numbers by place valuesBreak apart the numbers by place values

Draw a rectangle and label the dimensionsDraw a rectangle and label the dimensions

MultiplyMultiply

Then add the partsThen add the parts

20 7 40

3

40 x 20 = 800

3 x 20 = 60

40 x 7 = 280

3 x 7 = 21

800 280

60 + 21

1,161

Try Another One: 34 x 45Try Another One: 34 x 45

Break apart the numbers by place valuesBreak apart the numbers by place values

Draw a rectangle and label the dimensionsDraw a rectangle and label the dimensions

MultiplyMultiply

Then add the partsThen add the parts

40 5 30

4

30 x 40 = 1200

4 x 40 = 160

30 x 5 = 150

4 x 5 = 20

1200 150 160 + 20

1,530

Do this one on your own: 26 x 78Do this one on your own: 26 x 78

Break apart the numbers by place valuesBreak apart the numbers by place values

Draw a rectangle and label the dimensionsDraw a rectangle and label the dimensions

MultiplyMultiply

Then add the partsThen add the parts

70 8 20

6

20 x 70 = 1400

6 x 70 = 420

20 x 8 = 160

6 x 8 = 48

1400 420 160 + 48

2,028 How did you do?

This method of multiplying supports This method of multiplying supports students who are visual learners students who are visual learners because they can easily see the because they can easily see the “parts.” This method also supports “parts.” This method also supports student’s geometric knowledge of student’s geometric knowledge of area. area.