4.4C Area model of multiplications and arrays

4.4C Area model of multiplications and arrays

by Patricia Piza

Multiple Choice

What is the original multiplication problem based on the distributive property below?
(400 x 8) + (30 x 8) + (2 x 8)

• 4,302 x 8
• 432 x 8
• 423 x 8
• 4,320 x 8

Multiple Choice

Using the distributive property, what is the product of 572 x 6?

• 3,492
• 30,492
• 3,432
• 3,932

Multiple Choice

When distributing out 3,294 x 6, what should be in the ?
(3,000 x ?) + (200 x ?) +
(90 x ?) + (4 x ?)

• 3
• 4
• 5
• 6

Multiple Choice

Which correctly distributes 689  x 3?

• (6,000 x 3) + (800 x 3) + (9 x 3)
• (600 x 3) + (80 x 3) + (9 x 3)
• (600 x 3) + (800 x 3) + (9 x 3)
• (6 x 3) + (8 x 3) + (9 x 3)

Multiple Choice

What is this multiplication strategy called?

• Array

• Area Model

• Repeated Addition

Multiple Choice

What equation matches this Area Model?

• 334 x 4

• 4 x 343

• 165 x 4

Multiple Choice

Which array represents 4 x 8?

Multiple Choice

What is the expanded form of 823?

• 8 + 2 + 3

• 80 + 20 + 3

• 800 + 20 + 3

• 800 + 20 + 30

Multiple Choice

What partial product belongs in box A?

• 2,400

• 320

• 240

• 3,200

Multiple Choice

What partial product belongs in box A?

• 1,000

• 100

• 700

• 70

Multiple Choice

What partial product belongs in box B?

• 35

• 350

• 300

• 400

Multiple Choice

What partial product belongs in box C?

• 12

• 42

• 120

• 420

Multiple Choice

What partial product belongs in box D?

• 420

• 350

• 120

• 42

Multiple Choice

What is the final product?

• 1,412

• 1,512

• 1,680

• 1,692

Fill in the Blanks

Multiple Choice

What number goes in the box with the "?"

• 30

• 300

• 56

• 72

Fill in the Blanks

Fill in the Blanks

Multiple Choice

This model represents:

• 15 x 15

• 12 x 12

• 17 x 17

• 21 x 21

Multiple Choice

This model represents:

• 27 x 7

• 7 x 7

• 20 x 20

• 20 x 7

Multiple Choice

This model shows 16 x 27

Which equation is missing?

• 10x7=70

• 20x7=140

• 10x10=100

• 20x6=120

Multiple Choice

What is the correct answer for each letter?

• A=350 B=100 C=630 D=18

• A=3,500 B=10 C=630 D=18

• A=3,500 B=100 C=630 D=18

• A=3,500 B=100 C=540 D=18

Multiple Choice

• 185

• 195

• 175

• 165

Multiple Choice

The area model represents 26 X 78.

Which answer shows all the correct partial products?

• 140 + 420 + 160 + 48

• 1400 + 420 + 16 + 48

• 1400 + 420 + 160 + 48

• 1400 + 160 + 48 + 42