Multi-Digit Multiplication of Whole Numbers

The area model represents 23 X 47.

Which answer shows all the correct partial products?

• 800 + 140 + 12 + 21

• 800 + 140 + 120 + 21

• 80 + 140 + 120 + 21

• 800 + 14 + 120 + 21

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

• 70

• 91

• 21

• 20

Use area model or partial product to solve: 67 x 97

Fill in the missing pieces of the generic rectangle and then find the total area.

b

c

d

e

a

140

180

962

600

42

Which equation matches the area model shown?

• 3 x 3 = 6

• 3 x 2 = 6

• 3 x 3 = 9

• 3 + 3 =9

55 x 20 x 5

• 550

• 55000

• 5500

• 505

product

• the result of division

• the result of multiplication

• the number being multiplied

• area model

Answer explanation

What is the ? in the problem below 6,923 x 7
(? x 7) + (900 x 7) + (20 x 7) + (3 x 7)

• 6

• 60

• 600

• 6,000

973 x 9

Which statement is true?

• 8 x 30 is the same as 80 groups of 30

• 50 x 6 is the same as 50 groups of 6

• 20 x 7 is the same as 2 groups of 7

• 5 x 80 is the same as 5 groups of 50