Area Models to Multiply

What is this multiplication strategy called?

• Boxes and Numbers

• Area Model

What is the answer to this are model problem?

• 11

• 28

• 22

• 65

Write 567 in expanded form:

What is 1543 written in expanded form?

• 100 + 500 + 40 + 3

• 1000 + 5000 + 40 + 3

• 1000 + 500 + 40 + 3

• 1000 + 500 + 400 + 3

What is the answer to this problem using the area model?

• 435 + 90 = 525

• 70 + 70 + 5 + 5 + 7 + 7 = 164

• 490 + 35 = 525

• 70 + 5 + 7 = 82

Solve this problem using the area model.

• 321 + 50 = 371

• 350 + 21 = 371

• 7 + 50 + 2 = 60

• 50 + 50 + 3 + 3 + 7 +7 = 120

What problem and answers match this area model?

• 40 + 40 + 2 + 2 + 6 + 6 = 96

• 40 + 2 + 6 = 48

• 242 + 12 = 254

• 240 + 12 = 252

Which of the following is INCORRECT:

5 x 6 = 30

50 x 6 = 300

5 x 60 = 300

50 x 60 = 3500

• 5 x 6 = 30

• 50 x 6 = 300

• 5 x 60 = 300

• 50 x 60 = 3500

Based on the area model, what is the product of 13 and 7?

• 70

• 21

• 91

Use the area model to solve 4x54

• 330

• 220

• 216