Multi-Digit Multiplication Quiz

What is the first step in breaking down the numbers 15 and 27 for multiplication?

• Subtract 15 from 27

• Multiply 10 by 20

• Multiply 5 by 7

• Add 15 and 27

In the standard algorithm, what do you do after multiplying the ones place digits?

• Subtract the products

• Carry over the digit to the tens place

• Multiply the tens place digits

• Add a zero to the second row

How is the number 22 broken down for easier multiplication with 315?

• As 30 and 5

• As 10 and 12

• As 20 and 2

• As 15 and 7

What is the product of 315 times 20 using the doubling method?

• 3150

• 6930

• 6000

• 6300

In the area model, what is the product of 20 times 300?

• 2000

• 3000

• 6000

• 600