Multiplication of Multi Digits

700 x 40

• 2,800

• 280

• 28,000

• 28

10 x 800

• 80

• 8,000

• 800

• 80,000

900 x 30

• 2,700

• 270

• 27,000

• 270,000

The high school tennis coach ordered 12 cartons of tennis balls for all the high schools in the district. Each carton contained 124 tennis balls. How many tennis balls did the coach order?

• 1,488 tennis balls

• 488 tennis balls

• 372 tennis balls

• 1,288 tennis balls

214 x 25

• 5,350

• 1,498

• 5,250

• 1,488

To multiply multi-digit numbers, it’s important to line up the numbers

• vertically.

• horizontally.

• at an angle.

• in numerical order.

Which of these correctly describes the process of multiplying 86 x 54?

• Multiply 4 by 86, then 5 by 86. Then add the products.

• Multiply 4 by 86, then 50 by 86. Then add the products.

• Multiply 8 by 5, then 8 by 6. Then add the products.

• Multiply 80 by 5, then 6 by 4. Then add the products.

To multiply multi-digit numbers most efficiently, put the number with ________ on top.

• the most digits

• the fewest digits

• the ones place

• the even digits

Multiply 47 x 68.

• 658

• 2,820

• 3,196

• 4,976

Multiply 14 x 75.

• 168

• 750

• 794

• 1,050