# Lesson Worksheet: Multiplying a Three-Digit Number by a One-Digit Number: Column Method Mathematics • 4th Grade

In this worksheet, we will practice using the standard algorithm to multiply a three-digit number by a one-digit number.

Q1:

Is the calculation correct?

• ANo
• BYes

Q2:

Is the calculation correct?

• AYes
• BNo

Q3:

Arrange the solutions of these expressions in ascending order.

• A
• B
• C
• D

Q4:

Find the product.

Q5:

Find the product.

Q6:

What is the number that can replace the question mark?

Q7:

If the price of one pen is \$5, what is the price of 756 pens?

Q8:

A girl buys 2 meters of cloth. If the price of cloth is \$234 per meter, how much does she pay?

Q9:

Look at how Sophia multiplied 432 by 6.

Use this method to find .

Q10:

This robot multiplies any number by 2 to get an answer. What is the answer in the following case?

Q11:

The product of 569 and a one-digit number has the digit 6 in the ones place. What digit does it have in the tens place? Use regrouping to help you find your answer.

Q12:

Consider the following multiplication:

What is the product?

Q13:

Mason wants to find the answer to .

He uses regrouping to help.

Fill in the blanks:

To find the digit in the tens place of his answer, Mason will need to multiply by and then add .

• A2, 3, 5
• B1, 2, 3
• C1, 5, 3
• D2, 3, 1
• E5, 3, 1

Q14:

Ethan wants to multiply a three-digit number by a one-digit number.

The three-digit number has a 0 in the ones place, but not in the tens place.

• AIt will have a zero in the tens place.
• BIt will have a zero in the ones place.
• CThe digit in the tens place will be greater than zero.
• DThe digit in the ones place will be greater than zero.

Q15:

Scarlett wants to multiply a three-digit number by a one-digit number.

The three-digit number has a 0 in the tens place:

Will Scarlett’s answer have a 0 in the tens place too?

• ANo, there is no chance her answer will have a 0 in the tens place.
• BYes, her answer will definitely have a 0 in the tens place.
• CHer answer might have a 0 in the tens place, only if she needs to regroup some ones.
• DHer answer might have a 0 in the tens place, only if she does not need to regroup any ones.

Q16:

Chloe says, “When multiplying 314 by 2, I do not need to regroup at all.”

Is Chloe’s statement true or false?

• AFalse
• BTrue

Q17:

Mia will regroup to help solve the multiplication problem below:

After Mia has multiplied the ones, how many tens will she have to regroup?