Multiplying Multiple Digits

Place value is based on

• addition.

• multiplication tables.

• powers of 10.

• vertical lines.

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

Start by multiplying with the digit on the

• top left.

• top right.

• bottom left.

• bottom right.

In the number 1,659, which digit is in the tens place?

• 1

• 6

• 5

• 9

Multiply 47 x 68.

• 658

• 2,820

• 3,196

• 4,976

Multiply 14 x 75.

• 168

• 750

• 794

• 1,050

Multiply 562 x 90.

• 50,400

• 50,580

• 51,142

• 52,690

Multiply 743 x 54.

• 6,687

• 37,150

• 40,122

• 44,842